pub enum Span {
End,
Start,
}
Expand description
Delimit a span.
Spans delimit two arbitrary points in time. Usually a measurement between those two points points to something useful.
The key of this enum is serialized as span_mark
, the value is either start
or end
.
Variants§
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Span
impl RefUnwindSafe for Span
impl Send for Span
impl Sync for Span
impl Unpin for Span
impl UnwindSafe for Span
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