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Use forever for repeatM #116

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Use forever for repeatM #116

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741ed84
Remove EOL spaces
eyeinsky Mar 4, 2023
20b3f0c
Use `forever` for `repeatM`
eyeinsky Mar 4, 2023
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11 changes: 4 additions & 7 deletions src/Streaming/Prelude.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -834,7 +834,7 @@ elem_ a' = loop False where
It is the same as @S.iterate succ@.
Because their return type is polymorphic, @enumFrom@, @enumFromThen@
and @iterate@ are useful with functions like @zip@ and @zipWith@, which
require the zipped streams to have the same return type.
require the zipped streams to have the same return type.

For example, with
@each [1..]@ the following bit of connect-and-resume would not compile:
Expand Down Expand Up @@ -1390,7 +1390,7 @@ mapM_ f = loop where


{- | Map layers of one functor to another with a transformation involving the base monad.

This function is completely functor-general. It is often useful with the more concrete type

@
Expand Down Expand Up @@ -1706,11 +1706,8 @@ two<Enter>
-}

repeatM :: Monad m => m a -> Stream (Of a) m r
repeatM ma = loop where
loop = do
a <- lift ma
yield a
loop
repeatM ma = forever (lift ma >>= yield)

{-# INLINABLE repeatM #-}

-- ---------------
Expand Down