optparse-applicative-0.8.1: Utilities and combinators for parsing command line options

Safe Haskell	Safe-Inferred

Options.Applicative.Help.Core

Synopsis

Documentation

cmdDesc :: Parser a -> Chunk Doc Source

Generate descriptions for commands.

briefDesc :: ParserPrefs -> Parser a -> Chunk Doc Source

Generate a brief help text for a parser.

fullDesc :: ParserPrefs -> Parser a -> Chunk Doc Source

Generate a full help text for a parser.

data ParserHelp Source

Constructors

ParserHelp
Fields helpError :: Chunk Doc helpHeader :: Chunk Doc helpUsage :: Chunk Doc helpBody :: Chunk Doc helpFooter :: Chunk Doc

Instances

Monoid ParserHelp

helpText :: ParserHelp -> Doc Source

errorHelp :: Chunk Doc -> ParserHelp Source

headerHelp :: Chunk Doc -> ParserHelp Source

usageHelp :: Chunk Doc -> ParserHelp Source

bodyHelp :: Chunk Doc -> ParserHelp Source

footerHelp :: Chunk Doc -> ParserHelp Source

parserHelp :: ParserPrefs -> Parser a -> ParserHelp Source

Generate the help text for a program.

parserUsage :: ParserPrefs -> Parser a -> String -> Doc Source

Generate option summary.