pub struct EmptyUserName;Expand description
A user name was the empty string.
Trait Implementations§
Source§impl Clone for EmptyUserName
impl Clone for EmptyUserName
Source§fn clone(&self) -> EmptyUserName
fn clone(&self) -> EmptyUserName
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreimpl Copy for EmptyUserName
Source§impl Debug for EmptyUserName
impl Debug for EmptyUserName
Source§impl Display for EmptyUserName
impl Display for EmptyUserName
impl Eq for EmptyUserName
Source§impl Error for EmptyUserName
impl Error for EmptyUserName
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 PartialEq for EmptyUserName
impl PartialEq for EmptyUserName
impl StructuralPartialEq for EmptyUserName
Auto Trait Implementations§
impl Freeze for EmptyUserName
impl RefUnwindSafe for EmptyUserName
impl Send for EmptyUserName
impl Sync for EmptyUserName
impl Unpin for EmptyUserName
impl UnsafeUnpin for EmptyUserName
impl UnwindSafe for EmptyUserName
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,
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key and return true if they are equal.