Struct rustc_abi::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: HasDataLayout>(self, offset: Size, cx: &C) -> Option<Size>

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

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

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<Size> 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<Size> 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
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 Size

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

Formats the value using the given formatter. Read more
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impl<__D: Decoder> Decodable<__D> for Size

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

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

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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: Hasher>(&self, state: &mut __H)

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 Sizewhere
__CTX: HashStableContext,

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

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impl Mul<Size> for u64

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type Output = Size

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

Performs the * operation. Read more
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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
1.21.0 · source§

fn max(self, other: Self) -> Selfwhere
Self: Sized,

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

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

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

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

This method 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

This method 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

This method 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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Step for Size

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

🔬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: Self, count: usize) -> Self

🔬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: Self, count: usize) -> Self

🔬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: Self, count: usize) -> Option<Self>

🔬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: Self, count: usize) -> Self

🔬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: Self, count: usize) -> Self

🔬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<Size> 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 StableOrd for Size

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impl StructuralEq for Size

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impl StructuralPartialEq for Size

Auto Trait Implementations§

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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> 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
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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<U> 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<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, 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.
const: unstable · source§

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.
const: unstable · source§

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

Performs the conversion.

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