Struct rustc_mir::borrow_check::region_infer::values::PlaceholderIndex

pub struct PlaceholderIndex {
    private: u32,
}

A single integer representing a ty::Placeholder.

Fields

private: u32

Implementations

impl PlaceholderIndex

pub const MAX_AS_U32: u32

pub const MAX: Self

pub const fn from_usize(value: usize) -> Self

pub const fn from_u32(value: u32) -> Self

pub const unsafe fn from_u32_unchecked(value: u32) -> Self

pub const fn index(self) -> usize

Extracts the value of this index as an integer.

pub const fn as_u32(self) -> u32

Extracts the value of this index as a u32.

pub const fn as_usize(self) -> usize

Extracts the value of this index as a usize.

Trait Implementations

impl Add<usize> for PlaceholderIndex

type Output = Self

The resulting type after applying the + operator.

fn add(self, other: usize) -> Self

Performs the + operation.

impl Clone for PlaceholderIndex

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PlaceholderIndex

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

Formats the value using the given formatter.

impl<D: Decoder> Decodable<D> for PlaceholderIndex

fn decode(d: &mut D) -> Result<Self, D::Error>

impl<E: Encoder> Encodable<E> for PlaceholderIndex

fn encode(&self, e: &mut E) -> Result<(), E::Error>

impl From<u32> for PlaceholderIndex

fn from(value: u32) -> Self

Performs the conversion.

impl From<usize> for PlaceholderIndex

fn from(value: usize) -> Self

Performs the conversion.

impl Hash for PlaceholderIndex

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

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 Idx for PlaceholderIndex

fn new(value: usize) -> Self

fn index(self) -> usize

fn increment_by(&mut self, amount: usize)

fn plus(self, amount: usize) -> Self

impl Ord for PlaceholderIndex

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

This method returns an Ordering between self and other.

#[must_use]

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

Compares and returns the maximum of two values.

#[must_use]

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

Compares and returns the minimum of two values.

#[must_use]

fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl PartialEq<PlaceholderIndex> for PlaceholderIndex

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

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

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

This method tests for !=.

impl PartialOrd<PlaceholderIndex> for PlaceholderIndex

fn partial_cmp(&self, other: &PlaceholderIndex) -> 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 Step for PlaceholderIndex

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

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

recently redesigned

Returns the number of successor steps required to get from start to end.

fn forward_checked(start: Self, u: usize) -> Option<Self>

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

recently added

Returns the value that would be obtained by taking the successor of self count times.

fn backward_checked(start: Self, u: usize) -> Option<Self>

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

recently added

Returns the value that would be obtained by taking the predecessor of self count times.

fn forward(start: Self, count: usize) -> Self

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

recently added

Returns the value that would be obtained by taking the successor of self count times.

unsafe fn forward_unchecked(start: Self, count: usize) -> Self

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

recently added

Returns the value that would be obtained by taking the successor of self count times.

fn backward(start: Self, count: usize) -> Self

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

recently added

Returns the value that would be obtained by taking the predecessor of self count times.

unsafe fn backward_unchecked(start: Self, count: usize) -> Self

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

recently added

Returns the value that would be obtained by taking the predecessor of self count times.

impl Copy for PlaceholderIndex

impl Eq for PlaceholderIndex

impl StructuralEq for PlaceholderIndex

impl StructuralPartialEq for PlaceholderIndex