Struct rustc_borrowck::region_infer::values::PlaceholderIndices

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

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§

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impl PlaceholderIndices

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

Returns the PlaceholderIndex for the inserted PlaceholderRegion

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

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

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

Trait Implementations§

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impl Debug for PlaceholderIndices

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

Formats the value using the given formatter. Read more
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impl Default for PlaceholderIndices

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fn default() -> PlaceholderIndices

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
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Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn filterable( self, filter_name: &'static str, ) -> RequestFilterDataProvider<T, fn(_: DataRequest<'_>) -> bool>

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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