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determine_place_ancestry_relation

hir_ty::infer::closure::analysis

Function determine_place_ancestry_relation 

Source 
fn determine_place_ancestry_relation(
    place_a: &Place,
    place_b: &Place,
) -> PlaceAncestryRelation
Expand description

Determines the Ancestry relationship of Place A relative to Place B

PlaceAncestryRelation::Ancestor implies Place A is ancestor of Place B PlaceAncestryRelation::Descendant implies Place A is descendant of Place B PlaceAncestryRelation::Divergent implies neither of them is the ancestor of the other.