Lexeme

Lexical characteristics of Haskell names

isLexCon

isLexVar

isLexId

isLexSym

isLexConId

isLexConSym

isLexVarId

isLexVarSym

startsVarSym

startsVarId

startsConSym

startsConId

Validating identifiers

okVarOcc

okConOcc

okTcOcc

okVarIdOcc

okVarSymOcc

okConIdOcc

okConSymOcc