Enum oxygengine_core::ecs::pipeline::QueryOneError

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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

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impl Clone for QueryOneError

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fn clone(&self) -> QueryOneError

Returns a copy of the value. Read more

1.0.0 · source

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for QueryOneError

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

Formats the value using the given formatter. Read more

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impl Display for QueryOneError

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

Formats the value using the given formatter. Read more

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impl Error for QueryOneError

1.30.0 · source

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

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

1.0.0 · source

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

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fn provide(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports. Read more

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impl From<NoSuchEntity> for QueryOneError

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fn from(NoSuchEntity) -> QueryOneError

Converts to this type from the input type.

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impl Hash for QueryOneError

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fn hash<H>(&self, state: &mut H)where
__H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq<QueryOneError> for QueryOneError

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fn eq(&self, other: &QueryOneError) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl Eq for QueryOneError

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impl StructuralEq for QueryOneError

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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

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for Twhere
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where
H: Hash + ?Sized,
B: BuildHasher,

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impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<E> Provider for Ewhere
E: Error + ?Sized,

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fn provide(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)

Data providers should implement this method to provide all values they are able to provide by using demand. Read more

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impl<T> ToOwned for Twhere
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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Enum oxygengine_core::ecs::pipeline::QueryOneError

Variants

NoSuchEntity

Unsatisfied

Trait Implementations

impl Clone for QueryOneError

fn clone(&self) -> QueryOneError

fn clone_from(&mut self, source: &Self)

impl Debug for QueryOneError

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

impl Display for QueryOneError

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

impl Error for QueryOneError

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

fn description(&self) -> &str

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

fn provide(&'a self, demand: &mut Demand<'a>)

impl From<NoSuchEntity> for QueryOneError

fn from(NoSuchEntity) -> QueryOneError

impl Hash for QueryOneError

fn hash<__H>(&self, state: &mut __H)where __H: Hasher,

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher,

impl PartialEq<QueryOneError> for QueryOneError

fn eq(&self, other: &QueryOneError) -> bool

fn ne(&self, other: &Rhs) -> bool

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

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> CallHasher for Twhere T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where H: Hash + ?Sized, B: BuildHasher,

impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

impl<E> Provider for Ewhere E: Error + ?Sized,

fn provide(&'a self, demand: &mut Demand<'a>)

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

default fn to_string(&self) -> String

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

type Error = Infallible

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

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

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

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

impl<T> Component for Twhere T: 'static + Send + Sync,

`NoSuchEntity`

`Unsatisfied`

fn hash<H>(&self, state: &mut H)where
__H: Hasher,

fn hash_slice<H>(data: &[Self], state: &mut H)where
H: Hasher,

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

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

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

impl<T> CallHasher for Twhere
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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

impl<E> Provider for Ewhere
E: Error + ?Sized,

impl<T> ToOwned for Twhere
T: Clone,

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

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

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

impl<T> Component for Twhere
T: 'static + Send + Sync,