pub struct NopObserver;Expand description
Implementation of Observer that does nothing.
Trait Implementations§
Source§impl Clone for NopObserver
impl Clone for NopObserver
Source§fn clone(&self) -> NopObserver
fn clone(&self) -> NopObserver
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for NopObserver
impl Debug for NopObserver
Auto Trait Implementations§
impl Freeze for NopObserver
impl RefUnwindSafe for NopObserver
impl Send for NopObserver
impl Sync for NopObserver
impl Unpin for NopObserver
impl UnwindSafe for NopObserver
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