1085 lines
61 KiB
HTML
1085 lines
61 KiB
HTML
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<head><title>16 Data.Char</title>
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</head><body
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>
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<!--l. 1--><div class="crosslinks"><p class="noindent">[<a
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href="haskellch17.html" >next</a>] [<a
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href="haskellpa2.html#haskellch16.html" >up</a>] </p></div>
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<h2 class="chapterHead"><span class="titlemark">Chapter 16</span><br /><a
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id="x24-20900016"></a><span
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class="pcrr7t-">Data.Char</span></h2>
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<div class="quote">
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<div class="verbatim" id="verbatim-384">
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module Data.Char (
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 <br />    Char,  String,  isControl,  isSpace,  isLower,  isUpper,  isAlpha,
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 <br />    isAlphaNum,  isPrint,  isDigit,  isOctDigit,  isHexDigit,  isLetter,
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 <br />    isMark,  isNumber,  isPunctuation,  isSymbol,  isSeparator,  isAscii,
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 <br />    isLatin1,  isAsciiUpper,  isAsciiLower,
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 <br />    GeneralCategory(UppercaseLetter,
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 <br />                    LowercaseLetter,
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 <br />                    TitlecaseLetter,
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 <br />                    ModifierLetter,
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 <br />                    OtherLetter,
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 <br />                    NonSpacingMark,
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 <br />                    SpacingCombiningMark,
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 <br />                    EnclosingMark,
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 <br />                    DecimalNumber,
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 <br />                    LetterNumber,
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 <br />                    OtherNumber,
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 <br />                    ConnectorPunctuation,
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 <br />                    DashPunctuation,
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 <br />                    OpenPunctuation,
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 <br />                    ClosePunctuation,
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 <br />                    InitialQuote,
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 <br />                    FinalQuote,
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 <br />                    OtherPunctuation,
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 <br />                    MathSymbol,
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 <br />                    CurrencySymbol,
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 <br />                    ModifierSymbol,
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 <br />                    OtherSymbol,
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 <br />                    Space,
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 <br />                    LineSeparator,
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 <br />                    ParagraphSeparator,
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 <br />                    Control,
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 <br />                    Format,
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 <br />                    Surrogate,
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 <br />                    PrivateUse,
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 <br />                    NotAssigned),
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 <br />    generalCategory,  toUpper,  toLower,  toTitle,  digitToInt,  intToDigit,
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 <br />    ord,  chr,  showLitChar,  lexLitChar,  readLitChar
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 <br />  ) where
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</div>
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<p class="noindent"></div>
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<h3 class="sectionHead"><span class="titlemark">16.1 </span> <a
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id="x24-21000016.1"></a>Characters and strings </h3>
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<p class="noindent">
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<dl> <dt class="haddockdesc">
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<!--tex4ht:inline--><div class="tabular"> <table id="TBL-187" class="tabular"
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cellspacing="0" cellpadding="0" rules="groups"
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><colgroup id="TBL-187-1g"><col
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id="TBL-187-1" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-187-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-187-1-1"
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class="td11"><span
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class="pcrb7t-">data</span><span
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class="pcrb7t-"> Char </span></td></tr></table> </div> <dd class="haddockdesc">
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The character type <span
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class="pcrr7t-">Char</span><a
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id="dx24-210001"></a> is an enumeration whose values represent Unicode (or equivalently ISO/IEC
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10646) characters (see <a
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href="http://www.unicode.org/" class="url" ><span
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class="pcrr7t-">http://www.unicode.org/</span></a> for details). This set extends the ISO 8859-1
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(Latin-1) character set (the first 256 charachers), which is itself an extension of the ASCII character
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set (the first 128 characters). A character literal in Haskell has type <span
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class="pcrr7t-">Char</span><a
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id="dx24-210002"></a>.
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<p class="noindent"> To convert a <span
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class="pcrr7t-">Char</span><a
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id="dx24-210003"></a> to or from the corresponding <span
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class="pcrr7t-">Int</span><a
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|
id="dx24-210004"></a> value defined by Unicode, use
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<span
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class="pcrr7t-">Prelude.toEnum </span>and <span
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class="pcrr7t-">Prelude.fromEnum </span>from the <span
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class="pcrr7t-">Prelude.Enum </span>class respectively (or
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equivalently <span
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class="pcrr7t-">ord </span>and <span
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class="pcrr7t-">chr</span>).
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</dl>
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<p class="noindent">
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<dl> <dt class="haddockdesc">
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<!--tex4ht:inline--><div class="tabular"> <table id="TBL-188" class="tabular"
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cellspacing="0" cellpadding="0" rules="groups"
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><colgroup id="TBL-188-1g"><col
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id="TBL-188-1" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-188-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-1-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Bounded</span><span
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class="pcrb7t-"> Char </span></td></tr><tr
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style="vertical-align:baseline;" id="TBL-188-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-2-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Enum</span><span
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class="pcrb7t-"> Char</span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-188-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-3-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Eq</span><span
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class="pcrb7t-"> Char </span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-188-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-4-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Ord</span><span
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class="pcrb7t-"> Char </span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-188-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-5-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Read</span><span
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class="pcrb7t-"> Char </span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-188-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-6-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
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class="pcrb7t-"> Show</span><span
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class="pcrb7t-"> Char </span></td>
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</tr><tr
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style="vertical-align:baseline;" id="TBL-188-7-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-7-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
|
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class="pcrb7t-"> Ix</span><span
|
|
class="pcrb7t-"> Char </span></td>
|
|
</tr><tr
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style="vertical-align:baseline;" id="TBL-188-8-"><td style="white-space:nowrap; text-align:left;" id="TBL-188-8-1"
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class="td11"><span
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class="pcrb7t-">instance</span><span
|
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class="pcrb7t-"> Storable</span><span
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class="pcrb7t-"> Char </span></td>
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|
</tr></table> </div> <dd class="haddockdesc">
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</dl>
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<p class="noindent">
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<dl><dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-189" class="tabular"
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cellspacing="0" cellpadding="0" rules="groups"
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|
><colgroup id="TBL-189-1g"><col
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id="TBL-189-1" /></colgroup><tr
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style="vertical-align:baseline;" id="TBL-189-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-189-1-1"
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class="td11"><span
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class="pcrb7t-">type</span><span
|
|
class="pcrb7t-"> String</span><span
|
|
class="pcrb7t-"> =</span><span
|
|
class="pcrb7t-"> [Char] </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
A <span
|
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class="pcrr7t-">String</span><a
|
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id="dx24-210005"></a> is a list of characters. String constants in Haskell are values of type <span
|
|
class="pcrr7t-">String</span><a
|
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id="dx24-210006"></a>.
|
|
</dl>
|
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<p class="noindent">
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|
<h3 class="sectionHead"><span class="titlemark">16.2 </span> <a
|
|
id="x24-21100016.2"></a>Character classification </h3>
|
|
<p class="noindent"> Unicode characters are divided into letters, numbers, marks, punctuation, symbols, separators (including spaces) and
|
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others (including control characters).
|
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<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-190" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-190-1g"><col
|
|
id="TBL-190-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-190-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-190-1-1"
|
|
class="td11"><span
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|
class="pcrb7t-">isControl</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects control characters, which are the non-printing characters of the Latin-1 subset of Unicode.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-191" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-191-1g"><col
|
|
id="TBL-191-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-191-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-191-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isSpace</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Returns <span
|
|
class="pcrr7t-">True</span><a
|
|
id="dx24-211001"></a> for any Unicode space character, and the control characters <span
|
|
class="pcrr7t-">\t</span>, <span
|
|
class="pcrr7t-">\n</span>, <span
|
|
class="pcrr7t-">\r</span>, <span
|
|
class="pcrr7t-">\f</span>, <span
|
|
class="pcrr7t-">\v</span>.
|
|
</dl>
|
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|
|
|
|
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|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-192" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-192-1g"><col
|
|
id="TBL-192-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-192-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-192-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isLower</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects lower-case alphabetic Unicode characters (letters).
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-193" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-193-1g"><col
|
|
id="TBL-193-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-193-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-193-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isUpper</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects upper-case or title-case alphabetic Unicode characters (letters). Title case is used by a small
|
|
number of letter ligatures like the single-character form of <span
|
|
class="ptmri7t-">Lj</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-194" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-194-1g"><col
|
|
id="TBL-194-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-194-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-194-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isAlpha</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects alphabetic Unicode characters (lower-case, upper-case and title-case letters, plus letters of
|
|
caseless scripts and modifiers letters). This function is equivalent to <span
|
|
class="pcrr7t-">Data.Char.isLetter</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-195" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-195-1g"><col
|
|
id="TBL-195-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-195-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-195-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isAlphaNum</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects alphabetic or numeric digit Unicode characters.
|
|
<p class="noindent"> Note that numeric digits outside the ASCII range are selected by this function but not by <span
|
|
class="pcrr7t-">isDigit</span><a
|
|
id="dx24-211002"></a>.
|
|
Such digits may be part of identifiers but are not used by the printer and reader to represent numbers.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-196" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-196-1g"><col
|
|
id="TBL-196-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-196-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-196-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isPrint</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects printable Unicode characters (letters, numbers, marks, punctuation, symbols and spaces).
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-197" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-197-1g"><col
|
|
id="TBL-197-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-197-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-197-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isDigit</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects ASCII digits, i.e. <span
|
|
class="pcrr7t-">'0'</span>..<span
|
|
class="pcrr7t-">'9'</span>.
|
|
</dl>
|
|
|
|
|
|
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-198" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-198-1g"><col
|
|
id="TBL-198-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-198-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-198-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isOctDigit</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects ASCII octal digits, i.e. <span
|
|
class="pcrr7t-">'0'</span>..<span
|
|
class="pcrr7t-">'7'</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-199" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-199-1g"><col
|
|
id="TBL-199-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-199-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-199-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isHexDigit</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects ASCII hexadecimal digits, i.e. <span
|
|
class="pcrr7t-">'0'</span>..<span
|
|
class="pcrr7t-">'9'</span>, <span
|
|
class="pcrr7t-">'a'</span>..<span
|
|
class="pcrr7t-">'f'</span>, <span
|
|
class="pcrr7t-">'A'</span>..<span
|
|
class="pcrr7t-">'F'</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-200" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-200-1g"><col
|
|
id="TBL-200-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-200-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-200-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isLetter</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects alphabetic Unicode characters (lower-case, upper-case and title-case letters, plus letters of
|
|
caseless scripts and modifiers letters). This function is equivalent to <span
|
|
class="pcrr7t-">Data.Char.isAlpha</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-201" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-201-1g"><col
|
|
id="TBL-201-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-201-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-201-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isMark</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects Unicode mark characters, e.g. accents and the like, which combine with preceding letters.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-202" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-202-1g"><col
|
|
id="TBL-202-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-202-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-202-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isNumber</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects Unicode numeric characters, including digits from various scripts, Roman numerals, etc.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-203" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-203-1g"><col
|
|
id="TBL-203-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-203-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-203-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isPunctuation</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects Unicode punctuation characters, including various kinds of connectors, brackets and quotes.
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-204" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-204-1g"><col
|
|
id="TBL-204-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-204-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-204-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isSymbol</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects Unicode symbol characters, including mathematical and currency symbols.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-205" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-205-1g"><col
|
|
id="TBL-205-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-205-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-205-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isSeparator</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects Unicode space and separator characters.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h4 class="subsectionHead"><span class="titlemark">16.2.1 </span> <a
|
|
id="x24-21200016.2.1"></a>Subranges </h4>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-206" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-206-1g"><col
|
|
id="TBL-206-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-206-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-206-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isAscii</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects the first 128 characters of the Unicode character set, corresponding to the ASCII character set.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-207" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-207-1g"><col
|
|
id="TBL-207-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-207-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-207-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isLatin1</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects the first 256 characters of the Unicode character set, corresponding to the ISO 8859-1 (Latin-1)
|
|
character set.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-208" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-208-1g"><col
|
|
id="TBL-208-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-208-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-208-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isAsciiUpper</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Selects ASCII upper-case letters, i.e. characters satisfying both <span
|
|
class="pcrr7t-">isAscii</span><a
|
|
id="dx24-212001"></a> and <span
|
|
class="pcrr7t-">isUpper</span><a
|
|
id="dx24-212002"></a>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-209" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-209-1g"><col
|
|
id="TBL-209-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-209-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-209-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">isAsciiLower</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Bool </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Selects ASCII lower-case letters, i.e. characters satisfying both <span
|
|
class="pcrr7t-">isAscii</span><a
|
|
id="dx24-212003"></a> and <span
|
|
class="pcrr7t-">isLower</span><a
|
|
id="dx24-212004"></a>.
|
|
</dl>
|
|
|
|
|
|
|
|
<p class="noindent">
|
|
<h4 class="subsectionHead"><span class="titlemark">16.2.2 </span> <a
|
|
id="x24-21300016.2.2"></a>Unicode general categories </h4>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-210" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-210-1g"><col
|
|
id="TBL-210-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-210-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-210-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">data</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"><table id="TBL-211" class="tabulary"
|
|
cellspacing="0" cellpadding="0"
|
|
><colgroup id="TBL-211-1g"><col
|
|
id="TBL-211-1" /><col
|
|
id="TBL-211-2" /><col
|
|
id="TBL-211-3" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-211-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-1-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">= </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-1-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">UppercaseLetter </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-1-3"
|
|
class="td11"> Lu: Letter, Uppercase </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-2-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-2-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">LowercaseLetter </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-2-3"
|
|
class="td11"> Ll: Letter, Lowercase </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-3-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-3-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">TitlecaseLetter </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-3-3"
|
|
class="td11"> Lt: Letter, Titlecase </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-4-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-4-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">ModifierLetter </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-4-3"
|
|
class="td11"> Lm: Letter, Modifier </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-5-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-5-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">OtherLetter </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-5-3"
|
|
class="td11"> Lo: Letter, Other </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-6-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-6-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">NonSpacingMark </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-6-3"
|
|
class="td11"> Mn: Mark, Non-Spacing </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-7-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-7-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-7-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">SpacingCombiningMark </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-7-3"
|
|
class="td11"> Mc: Mark, Spacing Combining </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-8-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-8-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-8-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">EnclosingMark </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-8-3"
|
|
class="td11"> Me: Mark, Enclosing </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-9-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-9-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-9-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">DecimalNumber </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-9-3"
|
|
class="td11"> Nd: Number, Decimal </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-10-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-10-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-10-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">LetterNumber </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-10-3"
|
|
class="td11"> Nl: Number, Letter </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-11-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-11-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-11-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">OtherNumber </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-11-3"
|
|
class="td11"> No: Number, Other </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-12-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-12-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-12-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">ConnectorPunctuation </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-12-3"
|
|
class="td11"> Pc: Punctuation, Connector </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-13-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-13-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-13-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">DashPunctuation </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-13-3"
|
|
class="td11"> Pd: Punctuation, Dash </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-14-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-14-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-14-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">OpenPunctuation </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-14-3"
|
|
class="td11"> Ps: Punctuation, Open </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-15-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-15-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-15-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">ClosePunctuation </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-15-3"
|
|
class="td11"> Pe: Punctuation, Close </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-16-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-16-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-16-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">InitialQuote </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-16-3"
|
|
class="td11"> Pi: Punctuation, Initial quote </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-17-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-17-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-17-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">FinalQuote </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-17-3"
|
|
class="td11"> Pf: Punctuation, Final quote </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-18-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-18-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-18-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">OtherPunctuation </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-18-3"
|
|
class="td11"> Po: Punctuation, Other </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-19-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-19-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-19-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">MathSymbol </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-19-3"
|
|
class="td11"> Sm: Symbol, Math </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-20-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-20-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-20-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">CurrencySymbol </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-20-3"
|
|
class="td11"> Sc: Symbol, Currency </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-21-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-21-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-21-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">ModifierSymbol </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-21-3"
|
|
class="td11"> Sk: Symbol, Modifier </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-22-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-22-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-22-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">OtherSymbol </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-22-3"
|
|
class="td11"> So: Symbol, Other </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-23-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-23-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-23-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Space </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-23-3"
|
|
class="td11"> Zs: Separator, Space </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-24-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-24-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-24-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">LineSeparator </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-24-3"
|
|
class="td11"> Zl: Separator, Line </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-25-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-25-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-25-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">ParagraphSeparator </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-25-3"
|
|
class="td11"> Zp: Separator, Paragraph </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-26-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-26-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-26-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Control </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-26-3"
|
|
class="td11"> Cc: Other, Control </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-27-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-27-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-27-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Format </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-27-3"
|
|
class="td11"> Cf: Other, Format </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-28-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-28-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-28-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">Surrogate </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-28-3"
|
|
class="td11"> Cs: Other, Surrogate </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-29-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-29-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-29-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">PrivateUse </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-29-3"
|
|
class="td11"> Co: Other, Private Use </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-30-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-30-1"
|
|
class="td11"> <span
|
|
class="pcrb7t-">| </span></td><td style="white-space:nowrap; text-align:left;" id="TBL-211-30-2"
|
|
class="td11"> <span
|
|
class="pcrb7t-">NotAssigned </span></td><td style="white-space:wrap; text-align:left;" id="TBL-211-30-3"
|
|
class="td11"> Cn: Other, Not Assigned </td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-211-31-"><td style="white-space:nowrap; text-align:left;" id="TBL-211-31-1"
|
|
class="td11"> </td></tr></table>
|
|
</div>
|
|
<p class="noindent"> Unicode General Categories (column 2 of the UnicodeData table) in the order they are listed in the Unicode
|
|
standard.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-212" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-212-1g"><col
|
|
id="TBL-212-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-212-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Bounded</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-2-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-2-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Enum</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-3-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-3-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Eq</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-4-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-4-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Ord</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-5-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-5-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Read</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-6-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-6-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Show</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr><tr
|
|
style="vertical-align:baseline;" id="TBL-212-7-"><td style="white-space:nowrap; text-align:left;" id="TBL-212-7-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">instance</span><span
|
|
class="pcrb7t-"> Ix</span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
</dl>
|
|
<p class="noindent">
|
|
|
|
|
|
|
|
<dl><dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-213" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-213-1g"><col
|
|
id="TBL-213-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-213-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-213-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">generalCategory</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> GeneralCategory </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
The Unicode general category of the character.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h3 class="sectionHead"><span class="titlemark">16.3 </span> <a
|
|
id="x24-21400016.3"></a>Case conversion </h3>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-214" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-214-1g"><col
|
|
id="TBL-214-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-214-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-214-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">toUpper</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Char </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Convert a letter to the corresponding upper-case letter, if any. Any other character is returned
|
|
unchanged.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-215" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-215-1g"><col
|
|
id="TBL-215-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-215-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-215-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">toLower</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Char </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Convert a letter to the corresponding lower-case letter, if any. Any other character is returned
|
|
unchanged.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-216" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-216-1g"><col
|
|
id="TBL-216-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-216-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-216-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">toTitle</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Char </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Convert a letter to the corresponding title-case or upper-case letter, if any. (Title case differs from
|
|
upper case only for a small number of ligature letters.) Any other character is returned unchanged.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h3 class="sectionHead"><span class="titlemark">16.4 </span> <a
|
|
id="x24-21500016.4"></a>Single digit characters </h3>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-217" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-217-1g"><col
|
|
id="TBL-217-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-217-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-217-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">digitToInt</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Int </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Convert a single digit <span
|
|
class="pcrr7t-">Char</span><a
|
|
id="dx24-215001"></a> to the corresponding <span
|
|
class="pcrr7t-">Int</span><a
|
|
id="dx24-215002"></a>. This function fails unless its argument
|
|
satisfies <span
|
|
class="pcrr7t-">isHexDigit</span><a
|
|
id="dx24-215003"></a>, but recognises both upper and lower-case hexadecimal digits (i.e. <span
|
|
class="pcrr7t-">'0'</span>..<span
|
|
class="pcrr7t-">'9'</span>,
|
|
<span
|
|
class="pcrr7t-">'a'</span>..<span
|
|
class="pcrr7t-">'f'</span>, <span
|
|
class="pcrr7t-">'A'</span>..<span
|
|
class="pcrr7t-">'F'</span>).
|
|
</dl>
|
|
|
|
|
|
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-218" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-218-1g"><col
|
|
id="TBL-218-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-218-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-218-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">intToDigit</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Int</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Char </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Convert an <span
|
|
class="pcrr7t-">Int</span><a
|
|
id="dx24-215004"></a> in the range <span
|
|
class="pcrr7t-">0</span>..<span
|
|
class="pcrr7t-">15 </span>to the corresponding single digit <span
|
|
class="pcrr7t-">Char</span><a
|
|
id="dx24-215005"></a>. This function fails on other
|
|
inputs, and generates lower-case hexadecimal digits.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h3 class="sectionHead"><span class="titlemark">16.5 </span> <a
|
|
id="x24-21600016.5"></a>Numeric representations </h3>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-219" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-219-1g"><col
|
|
id="TBL-219-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-219-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-219-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">ord</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Int </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
The <span
|
|
class="pcrr7t-">Prelude.fromEnum </span>method restricted to the type <span
|
|
class="pcrr7t-">Data.Char.Char</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-220" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-220-1g"><col
|
|
id="TBL-220-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-220-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-220-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">chr</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Int</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> Char </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
The <span
|
|
class="pcrr7t-">Prelude.toEnum </span>method restricted to the type <span
|
|
class="pcrr7t-">Data.Char.Char</span>.
|
|
</dl>
|
|
<p class="noindent">
|
|
<h3 class="sectionHead"><span class="titlemark">16.6 </span> <a
|
|
id="x24-21700016.6"></a>String representations </h3>
|
|
<p class="noindent">
|
|
<dl> <dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-221" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-221-1g"><col
|
|
id="TBL-221-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-221-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-221-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">showLitChar</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> Char</span><span
|
|
class="pcrb7t-"> -></span><span
|
|
class="pcrb7t-"> ShowS </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Convert a character to a string using only printable characters, using Haskell source-language escape
|
|
conventions. For example:
|
|
<p class="noindent">
|
|
<div class="quote">
|
|
|
|
|
|
|
|
<div class="verbatim" id="verbatim-385">
|
|
 showLitChar '\n' s  =  "\\n" ++ s
|
|
</div>
|
|
<p class="noindent"></div>
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl><dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-222" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-222-1g"><col
|
|
id="TBL-222-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-222-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-222-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">lexLitChar</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> ReadS</span><span
|
|
class="pcrb7t-"> String </span></td>
|
|
</tr></table> </div> <dd class="haddockdesc">
|
|
Read a string representation of a character, using Haskell source-language escape conventions. For
|
|
example:
|
|
<p class="noindent">
|
|
<div class="quote">
|
|
|
|
|
|
|
|
<div class="verbatim" id="verbatim-386">
|
|
 lexLitChar  "\\nHello"  =  [("\\n", "Hello")]
|
|
</div>
|
|
<p class="noindent"></div>
|
|
</dl>
|
|
<p class="noindent">
|
|
<dl><dt class="haddockdesc">
|
|
<!--tex4ht:inline--><div class="tabular"> <table id="TBL-223" class="tabular"
|
|
cellspacing="0" cellpadding="0" rules="groups"
|
|
><colgroup id="TBL-223-1g"><col
|
|
id="TBL-223-1" /></colgroup><tr
|
|
style="vertical-align:baseline;" id="TBL-223-1-"><td style="white-space:nowrap; text-align:left;" id="TBL-223-1-1"
|
|
class="td11"><span
|
|
class="pcrb7t-">readLitChar</span><span
|
|
class="pcrb7t-"> ::</span><span
|
|
class="pcrb7t-"> ReadS</span><span
|
|
class="pcrb7t-"> Char </span></td></tr></table> </div> <dd class="haddockdesc">
|
|
Read a string representation of a character, using Haskell source-language escape conventions, and
|
|
convert it to the character that it encodes. For example:
|
|
<p class="noindent">
|
|
<div class="quote">
|
|
|
|
|
|
|
|
<div class="verbatim" id="verbatim-387">
|
|
 readLitChar "\\nHello"  =  [('\n', "Hello")]
|
|
</div>
|
|
<p class="noindent"></div>
|
|
</dl>
|
|
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