Enum rustc::ty::layout::Integer

pub enum Integer {
    I8,
    I16,
    I32,
    I64,
    I128,
}

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Integers, also used for enum discriminants.

Variants

I8

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I16

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I32

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I64

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I128

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Methods

impl Integer

pub fn size(&self) -> Size

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pub fn align<C>(&self, cx: C) -> Align where     C: HasDataLayout,

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pub fn fit_signed(x: i128) -> Integer

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Find the smallest Integer type which can represent the signed value.

pub fn fit_unsigned(x: u128) -> Integer

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Find the smallest Integer type which can represent the unsigned value.

pub fn for_abi_align<C>(cx: C, align: Align) -> Option<Integer> where     C: HasDataLayout,

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Find the smallest integer with the given alignment.

pub fn approximate_abi_align<C>(cx: C, align: Align) -> Integer where     C: HasDataLayout,

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Find the largest integer with the given alignment or less.

Trait Implementations

impl Clone for Integer

fn clone(&self) -> Integer

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Integer

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

Formats the value using the given formatter.

impl Copy for Integer

impl Ord for Integer

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl Eq for Integer

fn assert_receiver_is_total_eq(&self)

impl PartialOrd<Integer> for Integer

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

This method returns an ordering between self and other values if one exists.

#[must_use] fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use] fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use] fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use] fn ge(&self, other: &Rhs) -> bool

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

impl Hash for Integer

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl PartialEq<Integer> for Integer

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

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

#[must_use] fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl IntegerExt for Integer

fn to_ty<'a, 'tcx>(&self, tcx: TyCtxt<'a, 'tcx, 'tcx>, signed: bool) -> Ty<'tcx>

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fn from_attr<C: HasDataLayout>(cx: C, ity: IntType) -> Integer

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Get the Integer type from an attr::IntType.

fn repr_discr<'a, 'tcx>(     tcx: TyCtxt<'a, 'tcx, 'tcx>,     ty: Ty<'tcx>,     repr: &ReprOptions,     min: i128,     max: i128 ) -> (Integer, bool)

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Find the appropriate Integer type and signedness for the given signed discriminant range and #[repr] attribute. N.B.: u128 values above i128::MAX will be treated as signed, but that shouldn't affect anything, other than maybe debuginfo.

impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Integer

fn hash_stable<W: StableHasherResult>(     &self,     __ctx: &mut StableHashingContext<'a>,     __hasher: &mut StableHasher<W> )

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

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