rustc_target::abi

Struct Size

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pub struct Size {
    pub(crate) raw: u64,
}
Expand description

Size of a type in bytes.

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§raw: u64

Implementations§

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impl Size

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pub const ZERO: Size = _

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pub fn from_bits(bits: impl TryInto<u64>) -> Size

Rounds bits up to the next-higher byte boundary, if bits is not a multiple of 8.

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pub fn from_bytes(bytes: impl TryInto<u64>) -> Size

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pub fn bytes(self) -> u64

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pub fn bytes_usize(self) -> usize

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pub fn bits(self) -> u64

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pub fn bits_usize(self) -> usize

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pub fn align_to(self, align: Align) -> Size

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pub fn is_aligned(self, align: Align) -> bool

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pub fn checked_add<C>(self, offset: Size, cx: &C) -> Option<Size>
where C: HasDataLayout,

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pub fn checked_mul<C>(self, count: u64, cx: &C) -> Option<Size>
where C: HasDataLayout,

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pub fn sign_extend(self, value: u128) -> i128

Truncates value to self bits and then sign-extends it to 128 bits (i.e., if it is negative, fill with 1’s on the left).

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pub fn truncate(self, value: u128) -> u128

Truncates value to self bits.

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pub fn signed_int_min(&self) -> i128

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pub fn signed_int_max(&self) -> i128

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pub fn unsigned_int_max(&self) -> u128

Trait Implementations§

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impl Add for Size

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type Output = Size

The resulting type after applying the + operator.
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fn add(self, other: Size) -> Size

Performs the + operation. Read more
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impl AddAssign for Size

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fn add_assign(&mut self, other: Size)

Performs the += operation. Read more
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impl Clone for Size

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fn clone(&self) -> Size

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 Size

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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<__D> Decodable<__D> for Size
where __D: Decoder,

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fn decode(__decoder: &mut __D) -> Size

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impl<__E> Encodable<__E> for Size
where __E: Encoder,

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fn encode(&self, __encoder: &mut __E)

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impl Hash for Size

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

Feeds this value into the given Hasher. Read more
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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
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impl<__CTX> HashStable<__CTX> for Size
where __CTX: HashStableContext,

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fn hash_stable( &self, __hcx: &mut __CTX, __hasher: &mut StableHasher<SipHasher128>, )

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impl Mul<u64> for Size

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type Output = Size

The resulting type after applying the * operator.
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fn mul(self, count: u64) -> Size

Performs the * operation. Read more
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impl Ord for Size

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fn cmp(&self, other: &Size) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for Size

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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fn partial_cmp(&self, other: &Size) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StableOrd for Size

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const CAN_USE_UNSTABLE_SORT: bool = true

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const THIS_IMPLEMENTATION_HAS_BEEN_TRIPLE_CHECKED: () = ()

Marker to ensure that implementors have carefully considered whether their Ord implementation obeys this trait’s contract.
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impl Step for Size

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fn steps_between(start: &Size, end: &Size) -> Option<usize>

🔬This is a nightly-only experimental API. (step_trait)
Returns the number of successor steps required to get from start to end. Read more
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fn forward_checked(start: Size, count: usize) -> Option<Size>

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the successor of self count times. Read more
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fn forward(start: Size, count: usize) -> Size

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the successor of self count times. Read more
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unsafe fn forward_unchecked(start: Size, count: usize) -> Size

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the successor of self count times. Read more
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fn backward_checked(start: Size, count: usize) -> Option<Size>

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the predecessor of self count times. Read more
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fn backward(start: Size, count: usize) -> Size

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the predecessor of self count times. Read more
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unsafe fn backward_unchecked(start: Size, count: usize) -> Size

🔬This is a nightly-only experimental API. (step_trait)
Returns the value that would be obtained by taking the predecessor of self count times. Read more
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impl Sub for Size

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type Output = Size

The resulting type after applying the - operator.
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fn sub(self, other: Size) -> Size

Performs the - operation. Read more
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impl Copy for Size

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impl Eq for Size

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impl StructuralPartialEq for Size

Auto Trait Implementations§

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impl Freeze for Size

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impl RefUnwindSafe for Size

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impl Send for Size

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impl Sync for Size

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impl Unpin for Size

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impl UnwindSafe for Size

Blanket Implementations§

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impl<T> Aligned for T

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const ALIGN: Alignment = _

Alignment of Self.
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impl<T> Any for T
where 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 T
where 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 T
where 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<T> CloneToUninit for T
where T: Clone,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Q
where 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<Q, K> Equivalent<K> for Q
where 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<Q, K> Equivalent<K> for Q
where 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

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where 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> IntoEither for T

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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
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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
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> StableCompare for T
where T: StableOrd,

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const CAN_USE_UNSTABLE_SORT: bool = T::CAN_USE_UNSTABLE_SORT

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fn stable_cmp(&self, other: &T) -> Ordering

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impl<T> ToOwned for T
where 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, U> TryFrom<U> for T
where 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 T
where 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<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<'a, T> Captures<'a> for T
where T: ?Sized,

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes