pub struct Undefined(/* private fields */);Implementations§
Trait Implementations§
Auto Trait Implementations§
impl !Send for Undefined
impl !Sync for Undefined
impl Freeze for Undefined
impl RefUnwindSafe for Undefined
impl Unpin for Undefined
impl UnsafeUnpin for Undefined
impl UnwindSafe for Undefined
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