pub struct NoneError;Trait Implementations§
Source§impl Error for NoneError
impl Error for NoneError
1.30.0 · Source§fn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
Returns the lower-level source of this error, if any. Read more
1.0.0 · Source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0: use the Display impl or to_string()
Source§impl Ord for NoneError
impl Ord for NoneError
Source§impl PartialOrd for NoneError
impl PartialOrd for NoneError
impl Copy for NoneError
impl Eq for NoneError
impl StructuralPartialEq for NoneError
Auto Trait Implementations§
impl Freeze for NoneError
impl RefUnwindSafe for NoneError
impl Send for NoneError
impl Sync for NoneError
impl Unpin for NoneError
impl UnwindSafe for NoneError
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
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
Source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
Source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compares
self with key and returns true if they are equal.