pub enum Option {
ReadOnly,
WriteOnly,
ReadWrite,
}
Variants§
Implementations§
Trait Implementations§
impl Copy for Option
impl StructuralPartialEq for Option
Auto Trait Implementations§
impl Freeze for Option
impl RefUnwindSafe for Option
impl Send for Option
impl Sync for Option
impl Unpin for Option
impl UnwindSafe for Option
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