pub enum NullOrdering {
First,
Last,
}
Expand description
Nulls order
Variants§
Trait Implementations§
§impl Clone for NullOrdering
impl Clone for NullOrdering
§fn clone(&self) -> NullOrdering
fn clone(&self) -> NullOrdering
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read more§impl Debug for NullOrdering
impl Debug for NullOrdering
§impl PartialEq<NullOrdering> for NullOrdering
impl PartialEq<NullOrdering> for NullOrdering
§fn eq(&self, other: &NullOrdering) -> bool
fn eq(&self, other: &NullOrdering) -> bool
This method tests for
self
and other
values to be equal, and is used
by ==
.impl Copy for NullOrdering
impl Eq for NullOrdering
impl StructuralEq for NullOrdering
impl StructuralPartialEq for NullOrdering
Auto Trait Implementations§
impl RefUnwindSafe for NullOrdering
impl Send for NullOrdering
impl Sync for NullOrdering
impl Unpin for NullOrdering
impl UnwindSafe for NullOrdering
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
§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Checks if this value is equivalent to the given key. Read more
source§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.