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Within LTS Haskell 24.6 (ghc-9.10.2)
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vector-sized Data.Vector.Generic.Sized O(1) Yield the first element of a non-empty vector in a monad. See the documentation for indexM for an explanation of why this is useful.
headM :: forall (n :: Natural) a m . (Prim a, Monad m) => Vector (1 + n) a -> m avector-sized Data.Vector.Primitive.Sized O(1) Yield the first element of a non-empty vector in a monad. See the documentation for indexM for an explanation of why this is useful.
headM :: forall (n :: Natural) a m . Monad m => Vector (1 + n) a -> m avector-sized Data.Vector.Sized O(1) Yield the first element of a non-empty vector in a monad. See the documentation for indexM for an explanation of why this is useful.
headM :: forall (n :: Natural) a m . (Storable a, Monad m) => Vector (1 + n) a -> m avector-sized Data.Vector.Storable.Sized O(1) Yield the first element of a non-empty vector in a monad. See the documentation for indexM for an explanation of why this is useful.
headM :: forall (n :: Natural) a m . (Unbox a, Monad m) => Vector (1 + n) a -> m avector-sized Data.Vector.Unboxed.Sized O(1) Yield the first element of a non-empty vector in a monad. See the documentation for indexM for an explanation of why this is useful.
headJet :: forall (f :: Type -> Type) a . Jet f a -> aad Numeric.AD Take the head of a Jet.
headJet :: forall (f :: Type -> Type) a . Jet f a -> aad Numeric.AD.Double Take the head of a Jet.
headJet :: forall (f :: Type -> Type) a . Jet f a -> aad Numeric.AD.Jet Take the head of a Jet.
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midi Sound.MIDI.Manufacturer No documentation available.
headerShift :: Int -> Pandoc -> Pandocpandoc Text.Pandoc.Transforms Shift header levels up or down.