pub struct Holder<T, S>(/* private fields */);
Expand description
Helper type allowing implementation of trait object for generic types multiple times. In practice this type is never used
Implementations§
Auto Trait Implementations§
impl<T, S> RefUnwindSafe for Holder<T, S>where S: RefUnwindSafe, T: RefUnwindSafe,
impl<T, S> Send for Holder<T, S>where S: Send, T: Send,
impl<T, S> Sync for Holder<T, S>where S: Sync, T: Sync,
impl<T, S> Unpin for Holder<T, S>where S: Unpin, T: Unpin,
impl<T, S> UnwindSafe for Holder<T, S>where S: UnwindSafe, T: UnwindSafe,
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