pub enum NullKind {
Implicit,
Explicit,
}
Expand description
Kind of null value
Variants§
Implicit
Implicit null value, like in a:
, there is implicit null value of a
Explicit
Explicit null, specified as null
, or ~
in yaml
Trait Implementations§
Auto Trait Implementations§
impl Freeze for NullKind
impl RefUnwindSafe for NullKind
impl Send for NullKind
impl Sync for NullKind
impl Unpin for NullKind
impl UnwindSafe for NullKind
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