pub struct FunctorIdentity;Expand description
fmap(id, fa) == fa.
Trait Implementations§
impl Implies<FunctorIdentity> for IsLawfulFunctor
Auto Trait Implementations§
impl Freeze for FunctorIdentity
impl RefUnwindSafe for FunctorIdentity
impl Send for FunctorIdentity
impl Sync for FunctorIdentity
impl Unpin for FunctorIdentity
impl UnsafeUnpin for FunctorIdentity
impl UnwindSafe for FunctorIdentity
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