Enum clippy_utils :: consts :: Constant Copy item path

Adt(Const<'tcx>)

Binary(Lrc<[u8]>)

A binary string (e.g., b"abc").

Char(char)

A single char (e.g., 'a').

Int(u128)

An integer’s bit representation.

F16(f16)

An f16.

F32(f32)

An f32.

F64(f64)

An f64.

F128(f128)

An f128.

Bool(bool)

true or false.

Vec(Vec<Constant<'tcx>>)

An array of constants.

Repeat(Box<Constant<'tcx>>, u64)

Also an array, but with only one constant, repeated N times.

Tuple(Vec<Constant<'tcx>>)

A tuple of constants.

RawPtr(u128)

A raw pointer.

Ref(Box<Constant<'tcx>>)

A reference

Err

A literal with syntax error.

Implementations§

impl<'tcx> Constant<'tcx>

pub fn partial_cmp( tcx: TyCtxt<'_>, cmp_type: Ty<'_>, left: &Self, right: &Self, ) -> Option<Ordering>

pub fn int_value(&self, tcx: TyCtxt<'_>, val_type: Ty<'_>) -> Option<FullInt>

Returns the integer value or None if self or val_type is not integer type.

pub fn peel_refs(self) -> Self

fn parse_f16(s: &str) -> Self

fn parse_f128(s: &str) -> Self

Trait Implementations§

impl<'tcx> Clone for Constant<'tcx>

fn clone(&self) -> Constant<'tcx>

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

impl<'tcx> Debug for Constant<'tcx>

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

Formats the value using the given formatter. Read more

impl<'tcx> Hash for Constant<'tcx>

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

Feeds this value into the given Hasher. Read more

1.3.0 · source§

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

impl<'tcx> PartialEq for Constant<'tcx>

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

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

Auto Trait Implementations§

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

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

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

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

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

fn clone_into(&self, target: &mut T)

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

impl<T, U> TryFrom for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto for T
where U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.