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;lib: clarify choiceopt doc

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Simon Michael 2019-11-23 13:03:26 -08:00
parent 8b4ae4cd43
commit 3f0892556d
1 changed files with 3 additions and 3 deletions
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hledger-lib/Hledger/Data/RawOptions.hs
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@ -55,9 +55,9 @@ inRawOpts name = isJust . lookup name . unRawOpts
boolopt :: String -> RawOpts -> Bool
boolopt = inRawOpts
-- | Get latests successfully parsed flag.
--
-- Expected to be used for exclusive choice flags like "--json" vs "--csv".
-- | From a list of RawOpts, get the last one (ie the right-most on the command line)
-- for which the given predicate returns a Just value.
-- Useful for exclusive choice flags like --daily|--weekly|--quarterly...
--
-- >>> choiceopt Just (RawOpts [("a",""), ("b",""), ("c","")])
-- Just "c"