pub struct Present;Expand description
Type-level result of a total property-membership query.
Trait Implementationsยง
Auto Trait Implementationsยง
impl Freeze for Present
impl RefUnwindSafe for Present
impl Send for Present
impl Sync for Present
impl Unpin for Present
impl UnsafeUnpin for Present
impl UnwindSafe for Present
Blanket Implementationsยง
Sourceยงimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Sourceยงfn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Sourceยงimpl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Sourceยงimpl<๐, X> Equivalent<๐, X> for Xwhere
๐: Cat,
impl<๐, X> Equivalent<๐, X> for Xwhere
๐: Cat,
Sourceยงimpl<T> OptionallyOption<T> for T
impl<T> OptionallyOption<T> for T
Sourceยงfn into_option(self) -> Option<T>
fn into_option(self) -> Option<T>
Converts either permitted representation into
Option<T>. Read more