Struct rustc_borrowck::region_infer::values::PlaceholderIndices

pub(crate) struct PlaceholderIndices {
    indices: FxIndexSet<PlaceholderRegion>,
}

Maps from ty::PlaceholderRegion values that are used in the rest of rustc to the internal PlaceholderIndex values that are used in NLL.

Fields

indices: FxIndexSet<PlaceholderRegion>

Implementations

impl PlaceholderIndices

pub(crate) fn insert( &mut self, placeholder: PlaceholderRegion ) -> PlaceholderIndex

Returns the PlaceholderIndex for the inserted PlaceholderRegion

pub(crate) fn lookup_index( &self, placeholder: PlaceholderRegion ) -> PlaceholderIndex

pub(crate) fn lookup_placeholder( &self, placeholder: PlaceholderIndex ) -> PlaceholderRegion

pub(crate) fn len(&self) -> usize

Trait Implementations

impl Debug for PlaceholderIndices

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

Formats the value using the given formatter.

impl Default for PlaceholderIndices

fn default() -> PlaceholderIndices

Returns the “default value” for a type.

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: 56 bytes