#[non_exhaustive]pub enum NullStyle {
Null,
Tilde,
Empty,
}Expand description
How null is written.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Trait Implementations§
impl Copy for NullStyle
impl Eq for NullStyle
impl StructuralPartialEq for NullStyle
Auto Trait Implementations§
impl Freeze for NullStyle
impl RefUnwindSafe for NullStyle
impl Send for NullStyle
impl Sync for NullStyle
impl Unpin for NullStyle
impl UnsafeUnpin for NullStyle
impl UnwindSafe for NullStyle
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