#[repr(C)]pub struct None { /* private fields */ }
Implementations
Trait Implementations
impl Copy for None
impl Eq for None
impl StructuralEq for None
impl StructuralPartialEq for None
Auto Trait Implementations
impl RefUnwindSafe for None
impl Send for None
impl Sync for None
impl Unpin for None
impl UnwindSafe for None
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
🔬 This is a nightly-only experimental API. (
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more