Haskell Hierarchical Libraries (parsec package)ContentsIndex
Text.ParserCombinators.Parsec.Expr
Portability portable
Stability provisional
Maintainer daan@cs.uu.nl
Description
A helper module to parse "expressions". Builds a parser given a table of operators and associativities.
Synopsis
data Assoc
= AssocNone
| AssocLeft
| AssocRight
data Operator t st a
= Infix (GenParser t st (a -> a -> a)) Assoc
| Prefix (GenParser t st (a -> a))
| Postfix (GenParser t st (a -> a))
type OperatorTable t st a = [[Operator t st a]]
buildExpressionParser :: OperatorTable tok st a -> GenParser tok st a -> GenParser tok st a
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