pub struct Undefined;
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for Undefined
impl Send for Undefined
impl Sync for Undefined
impl Unpin for Undefined
impl UnwindSafe for Undefined
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more