pub enum Occur {
Req,
Optional,
Multi,
}
Expand description
Describes how often an option may occur.
Variants
Req
The option occurs once.
Optional
The option occurs at most once.
Multi
The option occurs zero or more times.
Trait Implementations
impl Copy for Occur
impl Eq for Occur
impl StructuralEq for Occur
impl StructuralPartialEq for Occur
Auto Trait Implementations
impl RefUnwindSafe for Occur
impl Send for Occur
impl Sync for Occur
impl Unpin for Occur
impl UnwindSafe for Occur
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