Streamly.Internal.BaseCompat

Compatibility functions for "base" package.

Documentation

(#.) :: Coercible b c => (b -> c) -> (a -> b) -> a -> c

errorWithoutStackTrace :: forall (r :: RuntimeRep) (a :: TYPE r). [Char] -> a

A variant of error that does not produce a stack trace.

Since: base-4.9.0.0

fromLeft :: a -> Either a b -> a

Return the contents of a Left-value or a default value otherwise.

Examples

Basic usage:

>>> fromLeft 1 (Left 3)
3
>>> fromLeft 1 (Right "foo")
1

Since: base-4.10.0.0

fromRight :: b -> Either a b -> b

Return the contents of a Right-value or a default value otherwise.

Examples

Basic usage:

>>> fromRight 1 (Right 3)
3
>>> fromRight 1 (Left "foo")
1

Since: base-4.10.0.0

unsafeWithForeignPtr :: ForeignPtr a -> (Ptr a -> IO b) -> IO b

oneShot :: (a -> b) -> a -> b