Enum bevy::ecs::query::QueryEntityError[−]

pub enum QueryEntityError {
    QueryDoesNotMatch,
    NoSuchEntity,
}

Expand description

An error that occurs when retrieving a specific Entity’s query result.

Variants

`QueryDoesNotMatch`

`NoSuchEntity`

Trait Implementations

impl Debug for QueryEntityError

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

impl Display for QueryEntityError

pub fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

impl Error for QueryEntityError

1.30.0[src]

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more

[src]

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[src]

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

Auto Trait Implementations

impl RefUnwindSafe for QueryEntityError

impl Send for QueryEntityError

impl Sync for QueryEntityError

impl Unpin for QueryEntityError

impl UnwindSafe for QueryEntityError

Blanket Implementations

[src]

impl<T> Any for T where
T: 'static + ?Sized,

[src]

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

[src]

impl<T> Borrow<T> for T where
T: ?Sized,

[src]

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

[src]

impl<T> BorrowMut<T> for T where
T: ?Sized,

[src]

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> Downcast for T where
T: Any,

pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<F, A>
`impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;`

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

impl<T> Downcast<T> for T

pub fn downcast(&self) -> &T

impl<T> DowncastSync for T where
T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync + 'static>

Convert Arc<Trait> (where Trait: Downcast) to Arc<Any>. Arc<Any> can then be further downcast into Arc<ConcreteType> where ConcreteType implements Trait. Read more

[src]

impl<T> From<T> for T

[src]

pub fn from(t: T) -> T

Performs the conversion.

[src]

impl<T> Instrument for T

[src]

fn instrument(self, span: Span) -> Instrumented<Self>ⓘ
Notable traits for Instrumented<T>
`impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;`

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

[src]

fn in_current_span(self) -> Instrumented<Self>ⓘ
Notable traits for Instrumented<T>
`impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;`

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

[src]

impl<T, U> Into for T where
U: From<T>,

[src]

pub fn into(self) -> U

Performs the conversion.

[src]

impl<T> ToString for T where
T: Display + ?Sized,

[src]

pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

[src]

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

[src]

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

[src]

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

[src]

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<T> Upcast<T> for T

pub fn upcast(&self) -> Option<&T>

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V

[src]

impl<T> WithSubscriber for T

[src]

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘ
Notable traits for WithDispatch<T>
`impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output;`
where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

[src]

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘ
Notable traits for WithDispatch<T>
`impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output;`

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Enum bevy::ecs::query::QueryEntityError[−]

Variants

QueryDoesNotMatch

NoSuchEntity

Trait Implementations

impl Debug for QueryEntityError

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

impl Display for QueryEntityError

pub fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result<(), Error>

impl Error for QueryEntityError

fn source(&self) -> Option<&(dyn Error + 'static)>

fn backtrace(&self) -> Option<&Backtrace>

fn description(&self) -> &str

fn cause(&self) -> Option<&dyn Error>

Auto Trait Implementations

impl RefUnwindSafe for QueryEntityError

impl Send for QueryEntityError

impl Sync for QueryEntityError

impl Unpin for QueryEntityError

impl UnwindSafe for QueryEntityError

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> Downcast for T where T: Any,

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

pub fn as_any(&self) -> &(dyn Any + 'static)

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

impl<T> Downcast<T> for T

pub fn downcast(&self) -> &T

impl<T> DowncastSync for T where T: Any + Send + Sync,

pub fn into_any_arc(self: Arc<T>) -> Arc<dyn Any + Send + Sync + 'static>

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;

fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> ToString for T where T: Display + ?Sized,

pub default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<T> Upcast<T> for T

pub fn upcast(&self) -> Option<&T>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output; where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output;

impl<T> Resource for T where T: 'static + Send + Sync,

`QueryDoesNotMatch`

`NoSuchEntity`

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T> Downcast for T where
T: Any,

impl<T> DowncastSync for T where
T: Any + Send + Sync,

fn instrument(self, span: Span) -> Instrumented<Self>ⓘ
Notable traits for Instrumented<T>
`impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;`

fn in_current_span(self) -> Instrumented<Self>ⓘ
Notable traits for Instrumented<T>
`impl<T> Future for Instrumented<T> where T: Future, type Output = <T as Future>::Output;`

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘ
Notable traits for WithDispatch<T>
`impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output;`
where
S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>ⓘ
Notable traits for WithDispatch<T>
`impl<T> Future for WithDispatch<T> where T: Future, type Output = <T as Future>::Output;`

impl<T> Resource for T where
T: 'static + Send + Sync,