Trait rustc_middle::ty::DefIdTree

pub trait DefIdTree: Copy {
    pub fn parent(self, id: DefId) -> Option<DefId>;

    pub fn is_descendant_of(self, descendant: DefId, ancestor: DefId) -> bool { ... }
}

Required methods

pub fn parent(self, id: DefId) -> Option<DefId>

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Provided methods

pub fn is_descendant_of(self, descendant: DefId, ancestor: DefId) -> bool

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Implementors

impl<'tcx> DefIdTree for TyCtxt<'tcx>

pub fn parent(self, id: DefId) -> Option<DefId>

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