Struct devela::_std::alloc::LayoutError

1.50.0 · source ·
#[non_exhaustive]
pub struct LayoutError;
Expand description

The parameters given to Layout::from_size_align or some other Layout constructor do not satisfy its documented constraints.

Trait Implementations§

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impl Clone for LayoutError

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fn clone(&self) -> LayoutError

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LayoutError

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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 LayoutError

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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 LayoutError

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

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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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>(&'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
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impl From<LayoutError> for TryReserveErrorKind

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impl PartialEq for LayoutError

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

This method tests for self and other values to be equal, and is used by ==.
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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.
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impl Eq for LayoutError

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impl StructuralEq for LayoutError

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impl StructuralPartialEq for LayoutError

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Also for T

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

Available on crate feature result only.
Applies a function which takes the parameter by exclusive reference, and then returns the (possibly) modified owned value. Read more
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fn also_ref<F: FnOnce(&Self)>(self, f: F) -> Self

Available on crate feature result only.
Applies a function which takes the parameter by shared reference, and then returns the (possibly) modified owned value. Read more
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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> AnyExt for Twhere T: Any,

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fn type_of(&self) -> TypeId

Available on crate feature any only.
Returns the TypeId of self. Read more
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fn type_name(&self) -> &'static str

Available on crate feature any only.
Returns the type name of self. Read more
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fn type_is<T: 'static>(&self) -> bool

Available on crate feature any only.
Returns true if Self is of type T. Read more
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fn as_any_ref(&self) -> &dyn Anywhere Self: Sized,

Available on crate feature any only.
Upcasts &self as &dyn Any. Read more
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fn as_any_mut(&mut self) -> &mut dyn Anywhere Self: Sized,

Available on crate feature any only.
Upcasts &mut self as &mut dyn Any. Read more
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fn as_any_box(self: Box<Self>) -> Box<dyn Any>where Self: Sized,

Available on crate feature any only.
Upcasts Box<self> as Box<dyn Any>. Read more
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impl<T, Res> Apply<Res> for Twhere T: ?Sized,

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fn apply<F: FnOnce(Self) -> Res>(self, f: F) -> Reswhere Self: Sized,

Available on crate feature result only.
Apply a function which takes the parameter by value.
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fn apply_ref<F: FnOnce(&Self) -> Res>(&self, f: F) -> Res

Available on crate feature result only.
Apply a function which takes the parameter by shared reference.
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fn apply_mut<F: FnOnce(&mut Self) -> Res>(&mut self, f: F) -> Res

Available on crate feature result only.
Apply a function which takes the parameter by exclusive reference.
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impl<T> Az for T

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fn az<Dst>(self) -> Dstwhere T: Cast<Dst>,

Casts the value.
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<Src, Dst> CastFrom<Src> for Dstwhere Src: Cast<Dst>,

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fn cast_from(src: Src) -> Dst

Casts the value.
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impl<T> CheckedAs for T

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fn checked_as<Dst>(self) -> Option<Dst>where T: CheckedCast<Dst>,

Casts the value.
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impl<Src, Dst> CheckedCastFrom<Src> for Dstwhere Src: CheckedCast<Dst>,

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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.
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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

Checks if this value is equivalent to the given key. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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<T> Mem for Twhere T: ?Sized,

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const NEEDS_DROP: bool = _

Available on crate feature mem only.
Whether dropping values of this type matters.
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fn mem_needs_drop(&self) -> bool

Available on crate feature mem only.
Returns true if dropping values of this type matters.
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fn mem_drop(self)where Self: Sized,

Available on crate feature mem only.
Drops self by running its destructor.
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fn mem_forget(self)where Self: Sized,

Available on crate feature mem only.
Forgets about self without running its destructor.
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fn mem_replace(&mut self, other: Self) -> Selfwhere Self: Sized,

Available on crate feature mem only.
Replaces self with other, returning the previous value of self.
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fn mem_take(&mut self) -> Selfwhere Self: Default,

Available on crate feature mem only.
Replaces self with its default value, returning the previous value of self.
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fn mem_swap(&mut self, other: &mut Self)where Self: Sized,

Available on crate feature mem only.
Swaps the value of self and other without deinitializing either one.
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fn mem_as_bytes(&self) -> &[u8] where Self: Sync + Unpin,

Available on crate features mem and unsafe_mem only.
View a Sync + Unpin self as &[u8]. Read more
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fn mem_as_bytes_mut(&mut self) -> &mut [u8] where Self: Sync + Unpin,

Available on crate features mem and unsafe_mem only.
View a Sync + Unpin self as &mut [u8].
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impl<T> OverflowingAs for T

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fn overflowing_as<Dst>(self) -> (Dst, bool)where T: OverflowingCast<Dst>,

Casts the value.
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impl<Src, Dst> OverflowingCastFrom<Src> for Dstwhere Src: OverflowingCast<Dst>,

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fn overflowing_cast_from(src: Src) -> (Dst, bool)

Casts the value.
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impl<T> SaturatingAs for T

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fn saturating_as<Dst>(self) -> Dstwhere T: SaturatingCast<Dst>,

Casts the value.
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impl<Src, Dst> SaturatingCastFrom<Src> for Dstwhere Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> Size for T

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const BYTE_ALIGN: usize = _

Available on crate feature mem only.
The alignment of this type in bytes.
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const BYTE_SIZE: usize = _

Available on crate feature mem only.
The size of this type in bytes.
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const PTR_SIZE: usize = 4usize

Available on crate feature mem only.
The size of a pointer in bytes, for the current platform.
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fn byte_align(&self) -> usize

Available on crate feature mem only.
Returns the alignment of this type in bytes.
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fn byte_size(&self) -> usize

Available on crate feature mem only.
Returns the size of this type in bytes. Read more
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fn ptr_ratio(&self) -> (usize, usize)

Available on crate feature mem only.
Returns the size ratio between PTR_SIZE and BYTE_SIZE. Read more
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impl<T> ToOwned for Twhere T: Clone,

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> UnwrappedAs for T

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fn unwrapped_as<Dst>(self) -> Dstwhere T: UnwrappedCast<Dst>,

Casts the value.
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impl<Src, Dst> UnwrappedCastFrom<Src> for Dstwhere Src: UnwrappedCast<Dst>,

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fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.
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impl<T> WrappingAs for T

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fn wrapping_as<Dst>(self) -> Dstwhere T: WrappingCast<Dst>,

Casts the value.
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impl<Src, Dst> WrappingCastFrom<Src> for Dstwhere Src: WrappingCast<Dst>,

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fn wrapping_cast_from(src: Src) -> Dst

Casts the value.