Struct rustc_middle::ty::util::Discr[−][src]

pub struct Discr<'tcx> {
    pub val: u128,
    pub ty: Ty<'tcx>,
}

Fields

val: u128

Bit representation of the discriminant (e.g., -128i8 is 0xFF_u128).

ty: Ty<'tcx>

Implementations

impl<'tcx> Discr<'tcx>[src]

pub fn wrap_incr(self, tcx: TyCtxt<'tcx>) -> Self[src]

Adds 1 to the value and wraps around if the maximum for the type is reached.

pub fn checked_add(self, tcx: TyCtxt<'tcx>, n: u128) -> (Self, bool)[src]

Trait Implementations

impl<'tcx> Clone for Discr<'tcx>[src]

fn clone(&self) -> Discr<'tcx>[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl<'tcx> Debug for Discr<'tcx>[src]

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

Formats the value using the given formatter. Read more

impl<'tcx> Display for Discr<'tcx>[src]

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

Formats the value using the given formatter. Read more

impl<'tcx> Copy for Discr<'tcx>[src]

Auto Trait Implementations

impl<'tcx> !RefUnwindSafe for Discr<'tcx>

impl<'tcx> !Send for Discr<'tcx>

impl<'tcx> !Sync for Discr<'tcx>

impl<'tcx> Unpin for Discr<'tcx>

impl<'tcx> !UnwindSafe for Discr<'tcx>

Blanket Implementations

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

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<'tcx, T> ArenaAllocatable<'tcx, ()> for T where
    T: Copy, [src]

pub fn allocate_on(Self, &'a Arena<'tcx>) -> &'a mut T[src]

pub fn allocate_from_iter(
    &'a Arena<'tcx>,
    impl IntoIterator<Item = T>
) -> &'a mut [T]ⓘ

Notable traits for &'_ [u8]

impl<'_> Read for &'_ [u8]impl<'_> Write for &'_ mut [u8]
[src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>, [src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> MaybeResult<T> for T[src]

type Error = !

pub fn from(Result<T, <T as MaybeResult<T>>::Error>) -> T[src]

pub fn to_result(self) -> Result<T, <T as MaybeResult<T>>::Error>[src]

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

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

pub fn clone_into(&self, target: &mut T)[src]

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

recently added

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

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

pub default fn to_string(&self) -> String[src]

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T> WithConstness for T[src]

fn with_constness(self, constness: Constness) -> ConstnessAnd<Self>[src]

fn with_const(self) -> ConstnessAnd<Self>[src]

fn without_const(self) -> ConstnessAnd<Self>[src]

impl<'a, T> Captures<'a> for T where
    T: ?Sized, [src]