Haskell Hierarchical Libraries (collections package)ContentsIndex
Data.Trie.String.ReadWrite
Portabilityportable
Stabilityprovisional
Maintainerhttp://homepages.nildram.co.uk/~ahey/em.png
Description
Extracting information out of a StringMap.
Synopsis
tryLookup :: StringMap a -> String -> Maybe a
assertLookup :: StringMap a -> String -> a
Documentation
tryLookup :: StringMap a -> String -> Maybe a
Look up the value associated with a String (if any). This function returns Nothing if there is no such value.
assertLookup :: StringMap a -> String -> a
Look up the value associated with a string. This function raises an error if there is no such value.
Produced by Haddock version 0.7