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GHC 10.0.0.20260917 · lts/ghc-10.0.x · 77a8662 · 2026-10-31

Modulecabal-install-3.18.1.0Haskell2010

Distribution.Client.Init.Prompt

User prompt utility functions for use by the 'cabal init' command.

Synopsis

value prompt
value promptYesNo
value promptStr
value promptList

Packagecabal-install-3.18.1.0
Exports4
LanguageHaskell2010
LicenceBSD-3-Clause
SourcePrompt.hs

valueprompt

:: (Interactive m, Parsec t, Pretty t)
=> String
-> DefaultPrompt t
-> m t

Create a prompt with optional default value that returns a value of some Text instance.

valuepromptYesNo

:: Interactive m
=> String
prompt message
-> DefaultPrompt Bool
optional default value
-> m Bool

Create a yes/no prompt with optional default value.

valuepromptStr :: Interactive m => String -> DefaultPrompt String -> m String

Create a prompt with optional default value that returns a String.

valuepromptList

:: Interactive m
=> String
prompt
-> [String]
choices
-> DefaultPrompt String
optional default value
-> Maybe (String -> String)
modify the default value to present in-prompt e.g. empty string maps to "(none)", but only in the prompt.
-> Bool
whether to allow an other option
-> m String

Create a prompt from a list of strings