Text.Parsing.StringParser.Expr

data Assoc

Operator associativity types.

Constructors

• AssocNone
• AssocLeft
• AssocRight

data Operator a

Operator types: infix, prefix, postfix.

Constructors

• Infix (Parser (a -> a -> a)) Assoc
• Prefix (Parser (a -> a))
• Postfix (Parser (a -> a))

type OperatorTable a = Array (Array (Operator a))

An operator table arranges operators into precedence groups.

buildExprParser :: forall a. OperatorTable a -> Parser a -> Parser a