pub enum KeyRef<'a> {
Ascii(&'a MetadataKey<Ascii>),
Binary(&'a MetadataKey<Binary>),
}Expand description
Reference to a key in a MetadataMap. It can point
to either an ascii or a binary (“*-bin”) key.
Variants§
Ascii(&'a MetadataKey<Ascii>)
Binary(&'a MetadataKey<Binary>)
Trait Implementations§
Auto Trait Implementations§
impl<'a> Freeze for KeyRef<'a>
impl<'a> RefUnwindSafe for KeyRef<'a>
impl<'a> Send for KeyRef<'a>
impl<'a> Sync for KeyRef<'a>
impl<'a> Unpin for KeyRef<'a>
impl<'a> UnwindSafe for KeyRef<'a>
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