Trait rustc_middle::ty::DefIdTree

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

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

Required methods

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

Provided methods

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

Implementors

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