pub enum ReturnConstraint {
Normal,
ClosureUpvar(FieldIdx),
}
Variants§
Auto Trait Implementations§
impl Freeze for ReturnConstraint
impl RefUnwindSafe for ReturnConstraint
impl Send for ReturnConstraint
impl Sync for ReturnConstraint
impl Unpin for ReturnConstraint
impl UnwindSafe for ReturnConstraint
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