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IndexedConstraintEdges

rustc_infer::infer::lexical_region_resolve::indexed_edges

Struct IndexedConstraintEdges 

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pub(super) struct IndexedConstraintEdges<'data, 'tcx> {
    out_edges: IndexVec<RegionVid, Vec<&'data (Constraint<'tcx>, SubregionOrigin<'tcx>)>>,
    in_edges: IndexVec<RegionVid, Vec<&'data (Constraint<'tcx>, SubregionOrigin<'tcx>)>>,
}
Expand description

An index from region variables to their corresponding constraint edges, used on some error paths.

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§out_edges: IndexVec<RegionVid, Vec<&'data (Constraint<'tcx>, SubregionOrigin<'tcx>)>>§in_edges: IndexVec<RegionVid, Vec<&'data (Constraint<'tcx>, SubregionOrigin<'tcx>)>>

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impl<'data, 'tcx> IndexedConstraintEdges<'data, 'tcx>

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pub(super) fn build_index( num_vars: usize, data: &'data RegionConstraintData<'tcx>, ) -> Self

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pub(super) fn adjacent_edges( &self, region_vid: RegionVid, dir: EdgeDirection, ) -> &[&'data (Constraint<'tcx>, SubregionOrigin<'tcx>)]

Returns either the out-edges or in-edges of the specified region var, as selected by dir.

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impl<'data, 'tcx> DynSend for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> DynSync for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> Freeze for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> !RefUnwindSafe for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> Send for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> Sync for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> Unpin for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> UnsafeUnpin for IndexedConstraintEdges<'data, 'tcx>

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impl<'data, 'tcx> !UnwindSafe for IndexedConstraintEdges<'data, 'tcx>

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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: 48 bytes