17 lines
No EOL
521 B
Elm
17 lines
No EOL
521 B
Elm
module Debug where
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{-| This library is for investigating bugs or performance problems. It should
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*not* be used in production code.
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-}
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import Native.Debug
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{-| Log a tagged value on the developer console, and then return the value.
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1 + log "number" 1 -- equals 2, logs "number: 1"
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length (log "start" []) -- equals 0, logs "start: []"
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Notice that `log` is not a pure function! It should *only* be used for
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investigating bugs or performance problems.
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-}
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log : String -> a -> a
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log = Native.Debug.log |