Struct ElementNotFound

pub struct ElementNotFound;

Expand description

🚩 The requested element has not been found.

Trait Implementations§

impl Clone for ElementNotFound

fn clone(&self) -> ElementNotFound

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

impl Debug for ElementNotFound

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

Formats the value using the given formatter. Read more

impl Default for ElementNotFound

fn default() -> ElementNotFound

Returns the “default value” for a type. Read more

impl Display for ElementNotFound

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

Formats the value using the given formatter. Read more

impl Error for ElementNotFound

1.30.0 · Source§

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 ⓘ

👎Deprecated since 1.42.0: use the Display impl or to_string()

1.0.0 · Source§

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

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

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

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

impl ExtError for ElementNotFound

type Kind = ()

Represents the specific kind of error, if applicable. Read more

fn error_eq(&self, other: &Self) -> bool

Checks if two errors are equivalent based on their kind or other criteria.

fn error_kind(&self) -> Self::Kind

Returns the kind of the error, if applicable.

impl Hash for ElementNotFound

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

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, Self: Sized,

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

impl PartialEq for ElementNotFound

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ElementNotFound

impl Eq for ElementNotFound

impl StructuralPartialEq for ElementNotFound

Auto Trait Implementations§

impl Freeze for ElementNotFound

impl RefUnwindSafe for ElementNotFound

impl Send for ElementNotFound

impl Sync for ElementNotFound

impl Unpin for ElementNotFound

impl UnwindSafe for ElementNotFound

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> ArchivePointee for T

type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.

fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> ByteSized for T

const BYTE_ALIGN: usize = _

The alignment of this type in bytes.

const BYTE_SIZE: usize = _

The size of this type in bytes.

fn byte_align(&self) -> usize ⓘ

Returns the alignment of this type in bytes.

fn byte_size(&self) -> usize ⓘ

Returns the size of this type in bytes. Read more

fn ptr_size_ratio(&self) -> [usize; 2]

Returns the size ratio between Ptr::BYTES and BYTE_SIZE. Read more

impl<T, R> Chain<R> for T
where T: ?Sized,

fn chain<F>(self, f: F) -> R
where F: FnOnce(Self) -> R, Self: Sized,

Chain a function which takes the parameter by value.

fn chain_ref<F>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Chain a function which takes the parameter by shared reference.

fn chain_mut<F>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Chain a function which takes the parameter by exclusive reference.

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut u8)

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

Performs copy-assignment from self to dst. Read more

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

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

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

impl<T> ExtAny for T
where T: Any + ?Sized,

fn type_id() -> TypeId

Returns the TypeId of Self. Read more

fn type_of(&self) -> TypeId

Returns the TypeId of self. Read more

fn type_name(&self) -> &'static str ⓘ

Returns the type name of self. Read more

fn type_is<T: 'static>(&self) -> bool

Returns true if Self is of type T. Read more

fn as_any_ref(&self) -> &dyn Any
where Self: Sized,

Upcasts &self as &dyn Any. Read more

fn as_any_mut(&mut self) -> &mut dyn Any
where Self: Sized,

Upcasts &mut self as &mut dyn Any. Read more

fn as_any_box(self: Box<Self>) -> Box<dyn Any>
where Self: Sized,

Upcasts Box<self> as Box<dyn Any>. Read more

fn downcast_ref<T: 'static>(&self) -> Option<&T> ⓘ

Available on crate feature unsafe_layout only.

Returns some shared reference to the inner value if it is of type T. Read more

fn downcast_mut<T: 'static>(&mut self) -> Option<&mut T> ⓘ

Available on crate feature unsafe_layout only.

Returns some exclusive reference to the inner value if it is of type T. Read more

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

const NEEDS_DROP: bool = _

Know whether dropping values of this type matters, in compile-time.

fn mem_align_of<T>() -> usize ⓘ

Returns the minimum alignment of the type in bytes. Read more

fn mem_align_of_val(&self) -> usize ⓘ

Returns the alignment of the pointed-to value in bytes. Read more

fn mem_size_of<T>() -> usize ⓘ

Returns the size of a type in bytes. Read more

fn mem_size_of_val(&self) -> usize ⓘ

Returns the size of the pointed-to value in bytes. Read more

fn mem_copy(&self) -> Self
where Self: Copy,

Bitwise-copies a value. Read more

fn mem_needs_drop(&self) -> bool

Returns true if dropping values of this type matters. Read more

fn mem_drop(self)
where Self: Sized,

Drops self by running its destructor. Read more

fn mem_forget(self)
where Self: Sized,

Forgets about self without running its destructor. Read more

fn mem_replace(&mut self, other: Self) -> Self
where Self: Sized,

Replaces self with other, returning the previous value of self. Read more

fn mem_take(&mut self) -> Self
where Self: Default,

Replaces self with its default value, returning the previous value of self. Read more

fn mem_swap(&mut self, other: &mut Self)
where Self: Sized,

Swaps the value of self and other without deinitializing either one. Read more

unsafe fn mem_zeroed<T>() -> T

Available on crate feature unsafe_layout only.

Returns the value of type T represented by the all-zero byte-pattern. Read more

unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst

Available on crate feature unsafe_layout only.

Returns the value of type T represented by the all-zero byte-pattern. Read more

fn mem_as_bytes(&self) -> &[u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.

View a Sync + Unpin self as &[u8]. Read more

fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.

View a Sync + Unpin self as &mut [u8]. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<S> FromSample<S> for S

fn from_sample_(s: S) -> S

impl<T> Hook for T

fn hook_ref<F>(self, f: F) -> Self
where F: FnOnce(&Self),

Applies a function which takes the parameter by shared reference, and then returns the (possibly) modified owned value. Read more

fn hook_mut<F>(self, f: F) -> Self
where F: FnOnce(&mut Self),

Applies a function which takes the parameter by exclusive reference, and then returns the (possibly) modified owned value. Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

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

fn in_current_span(self) -> Instrumented<Self> ⓘ

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

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<F, T> IntoSample<T> for F
where T: FromSample<F>,

fn into_sample(self) -> T

impl<T> LayoutRaw for T

fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError> ⓘ

Returns the layout of the type.

impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more

fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize ⓘ

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Pointee for T

type Metadata = ()

The metadata type for pointers and references to this type.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

impl<T, U> ToSample<U> for T
where U: FromSample<T>,

fn to_sample_(self) -> U

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

fn to_string(&self) -> String ⓘ

Converts the given value to a String. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

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

fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

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

impl<S, T> Duplex<S> for T
where T: FromSample<S> + ToSample<S>,

impl<T> Ungil for T
where T: Send,