25 lines
752 B
Haskell
25 lines
752 B
Haskell
|
--------------------------------------------------------------------------------
|
||
|
|
module Hakyll.Web.Template.Context
|
||
|
|
( Context
|
||
|
|
, field
|
||
|
|
) where
|
||
|
|
|
||
|
|
|
||
|
|
--------------------------------------------------------------------------------
|
||
|
|
import Control.Applicative (empty)
|
||
|
|
import Control.Arrow
|
||
|
|
import Hakyll.Core.Compiler
|
||
|
|
|
||
|
|
|
||
|
|
--------------------------------------------------------------------------------
|
||
|
|
type Context a = Compiler (String, a) String
|
||
|
|
|
||
|
|
|
||
|
|
--------------------------------------------------------------------------------
|
||
|
|
field :: String -> Compiler a String -> Context a
|
||
|
|
field key value = arr checkKey >>> empty ||| value
|
||
|
|
where
|
||
|
|
checkKey (k, x)
|
||
|
|
| k == key = Left ()
|
||
|
|
| otherwise = Right x
|