Enum hecs::QueryOneError
source · [−]pub enum QueryOneError {
NoSuchEntity,
Unsatisfied,
}
Expand description
Errors that arise when querying a single entity
Variants
NoSuchEntity
The entity was already despawned
Unsatisfied
The entity exists but does not satisfy the query
Trait Implementations
sourceimpl Clone for QueryOneError
impl Clone for QueryOneError
sourcefn clone(&self) -> QueryOneError
fn clone(&self) -> QueryOneError
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 QueryOneError
impl Debug for QueryOneError
sourceimpl Display for QueryOneError
impl Display for QueryOneError
sourceimpl Error for QueryOneError
impl Error for QueryOneError
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>
🔬 This is a nightly-only experimental API. (
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 From<NoSuchEntity> for QueryOneError
impl From<NoSuchEntity> for QueryOneError
sourcefn from(NoSuchEntity: NoSuchEntity) -> Self
fn from(NoSuchEntity: NoSuchEntity) -> Self
Performs the conversion.
sourceimpl Hash for QueryOneError
impl Hash for QueryOneError
sourceimpl PartialEq<QueryOneError> for QueryOneError
impl PartialEq<QueryOneError> for QueryOneError
impl Eq for QueryOneError
impl StructuralEq for QueryOneError
impl StructuralPartialEq for QueryOneError
Auto Trait Implementations
impl RefUnwindSafe for QueryOneError
impl Send for QueryOneError
impl Sync for QueryOneError
impl Unpin for QueryOneError
impl UnwindSafe for QueryOneError
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub 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.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub 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