hakyll/src/Hakyll/Core/Metadata.hs
2012-11-22 13:38:28 +01:00

32 lines
1.1 KiB
Haskell

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module Hakyll.Core.Metadata
( Metadata
, MonadMetadata (..)
) where
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import Control.Monad (forM)
import Data.Map (Map)
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import Hakyll.Core.Identifier
import Hakyll.Core.Identifier.Pattern
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type Metadata = Map String String
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class Monad m => MonadMetadata m where
getMetadata :: Identifier -> m Metadata
getMatches :: Pattern -> m [Identifier]
getAllMetadata :: Pattern -> m [(Identifier, Metadata)]
getAllMetadata pattern = do
matches' <- getMatches pattern
forM matches' $ \id' -> do
metadata <- getMetadata id'
return (id', metadata)