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use NonEmptyList for some #5

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Merged
merged 1 commit into from
Mar 18, 2019
Merged

use NonEmptyList for some #5

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8 changes: 5 additions & 3 deletions src/Options/Applicative/Types.purs
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ import Data.Generic.Rep (class Generic)
import Data.Generic.Rep.Show (genericShow)
import Data.List (List)
import Data.List as List
import Data.List.NonEmpty as NEL
import Data.List.Types (NonEmptyList)
import Data.Maybe (Maybe(..))
import Data.Newtype (class Newtype, over, un)
import Data.Tuple.Nested (Tuple3, (/\))
Expand Down Expand Up @@ -370,12 +372,12 @@ manyM p = tailRecM go List.Nil
aa <- oneM $ (Loop <$> p) <|> pure (Done unit)
pure $ bimap (_ List.: acc) (\_ -> List.reverse acc) aa

someM :: forall a. Parser a -> ParserM (List a)
someM p = List.Cons <$> oneM p <*> manyM p
someM :: forall a. Parser a -> ParserM (NonEmptyList a)
someM p = NEL.cons' <$> oneM p <*> manyM p

many :: forall a. Parser a -> Parser (List a)
many = manyM >>> fromM
some :: forall a. Parser a -> Parser (List a)
some :: forall a. Parser a -> Parser (NonEmptyList a)
some = someM >>> fromM

-- | optparse-applicative supplies a rich completion system for bash,
Expand Down