pub struct NullHandleError(_);
Available on Windows only.
Expand description
This is the error type used by HandleOrNull
when attempting to convert
into a handle, to indicate that the value is null.
Trait Implementations
sourceimpl Clone for NullHandleError
impl Clone for NullHandleError
sourcefn clone(&self) -> NullHandleError
fn clone(&self) -> NullHandleError
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for NullHandleError
impl Debug for NullHandleError
sourceimpl Display for NullHandleError
impl Display for NullHandleError
sourceimpl Error for NullHandleError
impl Error for NullHandleError
1.30.0 · sourcefn source(&self) -> Option<&(dyn Error + 'static)>
fn source(&self) -> Option<&(dyn Error + 'static)>
The lower-level source of this error, if any. Read more
sourcefn backtrace(&self) -> Option<&Backtrace>
fn backtrace(&self) -> Option<&Backtrace>
Returns a stack backtrace, if available, of where this error occurred. Read more
1.0.0 · sourcefn description(&self) -> &str
fn description(&self) -> &str
👎 Deprecated since 1.42.0:
use the Display impl or to_string()
sourceimpl PartialEq<NullHandleError> for NullHandleError
impl PartialEq<NullHandleError> for NullHandleError
sourcefn eq(&self, other: &NullHandleError) -> bool
fn eq(&self, other: &NullHandleError) -> bool
This method tests for self
and other
values to be equal, and is used
by ==
. Read more
sourcefn ne(&self, other: &NullHandleError) -> bool
fn ne(&self, other: &NullHandleError) -> bool
This method tests for !=
.
impl Eq for NullHandleError
impl StructuralEq for NullHandleError
impl StructuralPartialEq for NullHandleError
Auto Trait Implementations
impl RefUnwindSafe for NullHandleError
impl Send for NullHandleError
impl Sync for NullHandleError
impl Unpin for NullHandleError
impl UnwindSafe for NullHandleError
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)
Uses borrowed data to replace owned data, usually by cloning. Read more