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Haskell Auxiliary Function: ifM
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| -- | See https://gist.github.com/vst/a1a49e0047c8fd24adbd1759bd14f864 | |
| -- | |
| import Data.Bool (bool) | |
| -- | Monadic version of @if-then-else@. | |
| -- | |
| -- >>> ifM (pure False) (pure "Nice") (pure "Oh no!") | |
| -- "Oh no!" | |
| -- >>> ifM (pure True) (pure "Nice") (pure "Oh no!") | |
| -- "Nice" | |
| ifM :: Monad m => m Bool -> m a -> m a -> m a | |
| ifM p t f = p >>= bool f t |
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