swap package:streamly-core

swap :: Unfold m (a, c) b -> Unfold m (c, a) b

streamly-core Streamly.Internal.Data.Unfold

Convert an Unfold that accepts a tuple as an argument into an unfold that accepts a tuple with elements swapped.

swap = Unfold.lmap Tuple.swap

Pre-release

swapIndices :: forall m a . (MonadIO m, Unbox a) => Int -> Int -> MutArray a -> m ()

streamly-core Streamly.Internal.Data.MutArray

Swap the elements at two indices. Pre-release

unsafeSwapIndices :: forall m a . (MonadIO m, Unbox a) => Int -> Int -> MutArray a -> m ()

streamly-core Streamly.Internal.Data.MutArray

Swap the elements at two indices without validating the indices. Unsafe: This could result in memory corruption if indices are not valid. Pre-release