Struct rustc::hir::def_id::DefIndex

pub struct DefIndex(_);

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Methods

impl DefIndex

pub fn from_u32(x: u32) -> DefIndex

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pub fn as_usize(&self) -> usize

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pub fn as_u32(&self) -> u32

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pub fn address_space(&self) -> DefIndexAddressSpace

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pub fn as_array_index(&self) -> usize

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Converts this DefIndex into a zero-based array index. This index is the offset within the given "range" of the DefIndex, that is, if the DefIndex is part of the "high" range, the resulting index will be (DefIndex - DEF_INDEX_HI_START).

pub fn from_array_index(
    i: usize,
    address_space: DefIndexAddressSpace
) -> DefIndex

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Trait Implementations

impl Copy for DefIndex

impl Clone for DefIndex

fn clone(&self) -> DefIndex

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialEq for DefIndex

fn eq(&self, __arg_0: &DefIndex) -> bool

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

fn ne(&self, __arg_0: &DefIndex) -> bool

This method tests for !=.

impl Eq for DefIndex

impl Hash for DefIndex

fn hash<__H: Hasher>(&self, __arg_0: &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 PartialOrd for DefIndex

fn partial_cmp(&self, __arg_0: &DefIndex) -> Option<Ordering>

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

fn lt(&self, __arg_0: &DefIndex) -> bool

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

fn le(&self, __arg_0: &DefIndex) -> bool

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

fn gt(&self, __arg_0: &DefIndex) -> bool

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

fn ge(&self, __arg_0: &DefIndex) -> bool

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

impl Ord for DefIndex

fn cmp(&self, __arg_0: &DefIndex) -> 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 Idx for DefIndex

fn new(value: usize) -> Self

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fn index(self) -> usize

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impl Debug for DefIndex

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

Formats the value using the given formatter.

impl UseSpecializedEncodable for DefIndex

fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
    E: Encoder, 

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Defaults to returning an error (see SpecializationError).

impl UseSpecializedDecodable for DefIndex

fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
    D: Decoder, 

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Defaults to returning an error (see SpecializationError).

impl<'gcx> HashStable<StableHashingContext<'gcx>> for DefIndex

fn hash_stable<W: StableHasherResult>(
    &self,
    hcx: &mut StableHashingContext<'gcx>,
    hasher: &mut StableHasher<W>
)

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impl<'gcx> ToStableHashKey<StableHashingContext<'gcx>> for DefIndex

type KeyType = DefPathHash

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fn to_stable_hash_key(&self, hcx: &StableHashingContext<'gcx>) -> DefPathHash

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impl Key for DefIndex

fn map_crate(&self) -> CrateNum

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Given an instance of this key, what crate is it referring to? This is used to find the provider.

fn default_span(&self, _tcx: TyCtxt) -> Span

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

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In the event that a cycle occurs, if no explicit span has been given for a query with key self, what span should we use?