Options.Applicative.Builder
subparser
argument
arguments
flag
flag'
switch
nullOption
strOption
option
short
long
help
value
showDefaultWith
showDefault
metavar
reader
hidden
internal
command
completeWith
action
completer
idm
(&)
auto
str
disabled
data Mod f a
class HasName f
class HasCompleter f
data OptionFields a
data FlagFields a
data CommandFields a
data ArgumentFields a
ParserInfo
data InfoMod a
fullDesc
briefDesc
header
progDesc
footer
failureCode
info
ParserPrefs
data PrefsMod
multiSuffix
disambiguate
prefs