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All Projects → fpco → optparse-simple

fpco / optparse-simple

Licence: BSD-3-Clause license
Simple helper functions to work with optparse-applicative

Programming Languages

haskell
3896 projects

optparse-simple

Simple interface to optparse-applicative

Usage

Typical usage with no commands:

do (opts,()) <-
     simpleOptions "ver"
                   "header"
                   "desc"
                   (flag () () (long "some-flag"))
                   empty
   doThings opts

Typical usage with commands:

do (opts,runCmd) <-
     simpleOptions "ver"
                   "header"
                   "desc"
                   (pure ()) $
     do addCommand "delete"
                   "Delete the thing"
                   (const deleteTheThing)
                   (pure ())
        addCommand "create"
                   "Create a thing"
                   createAThing
                   (strOption (long "hello"))
   runCmd
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