pub struct FunctorComposition;Expand description
fmap(g . f, fa) == fmap(g, fmap(f, fa)).
Trait Implementations§
impl Implies<FunctorComposition> for IsLawfulFunctor
Auto Trait Implementations§
impl Freeze for FunctorComposition
impl RefUnwindSafe for FunctorComposition
impl Send for FunctorComposition
impl Sync for FunctorComposition
impl Unpin for FunctorComposition
impl UnsafeUnpin for FunctorComposition
impl UnwindSafe for FunctorComposition
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more