Type Alias rustc_metadata::rmeta::ExpnHashTable

type ExpnHashTable = LazyTable<ExpnIndex, Option<LazyValue<ExpnHash>>>;

Aliased Type

struct ExpnHashTable {
    position: NonZeroUsize,
    width: usize,
    len: usize,
    _marker: PhantomData<fn(_: ExpnIndex) -> Option<LazyValue<ExpnHash>>>,
}

Fields

position: NonZeroUsize

width: usize

The encoded size of the elements of a table is selected at runtime to drop trailing zeroes. This is the number of bytes used for each table element.

len: usize

How many elements are in the table.

_marker: PhantomData<fn(_: ExpnIndex) -> Option<LazyValue<ExpnHash>>>

Implementations

impl<I: Idx, const N: usize, T: FixedSizeEncoding<ByteArray = [u8; N]> + ParameterizedOverTcx> LazyTable<I, T>where for<'tcx> T::Value<'tcx>: FixedSizeEncoding<ByteArray = [u8; N]>,

pub(super) fn get<'a, 'tcx, M: Metadata<'a, 'tcx>>( &self, metadata: M, i: I ) -> T::Value<'tcx>

Given the metadata, extract out the value at a particular index (if any).

pub(super) fn size(&self) -> usize

Size of the table in entries, including possible gaps.

impl<I, T> LazyTable<I, T>

fn from_position_and_encoded_size( position: NonZeroUsize, width: usize, len: usize ) -> LazyTable<I, T>

Trait Implementations

impl<I, T> Clone for LazyTable<I, T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a, 'tcx, I: Idx, T> Decodable<DecodeContext<'a, 'tcx>> for LazyTable<I, T>

fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self

impl<'a, 'tcx, I, T> Encodable<EncodeContext<'a, 'tcx>> for LazyTable<I, T>

fn encode(&self, e: &mut EncodeContext<'a, 'tcx>)

impl<I: 'static, T: ParameterizedOverTcx> ParameterizedOverTcx for LazyTable<I, T>

type Value<'tcx> = LazyTable<I, <T as ParameterizedOverTcx>::Value<'tcx>>

impl<I, T> Copy for LazyTable<I, T>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes