OptEnvConf.Run

Documentation

runSettingsParser

Arguments

:: HasParser a

=> Version

Program version, get this from Paths_your_package_name

-> String

Program description

-> IO a

Run runParser on your Settings' type's settingsParser.

This is most likely the function you want to be using.

runParser

Arguments

:: Version

Program version, get this from Paths_your_package_name

-> String

Program description

-> Parser a

-> IO a

Run a parser

This function with exit on:

• Parse failure: show a nice error message.
• -h|--help: Show help text
• --version: Show version information
• --render-man-page: Render a man page
• --bash-completion-script: Render a bash completion script
• --zsh-completion-script: Render a zsh completion script
• --fish-completion-script: Render a fish completion script
• query-opt-env-conf-completion: Perform a completion query

This gets the arguments and environment variables from the current process.

runParserOn :: Parser a -> Args -> EnvMap -> Maybe Object -> IO (Either (NonEmpty ParseError) a)

Run a parser on given arguments and environment instead of getting them from the current process.

internalParser :: Version -> Parser a -> Parser (Internal a)