Trait rustc::ty::DefIdTree

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

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

🔬 This is a nightly-only experimental API. (rustc_private)

Required Methods

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

🔬 This is a nightly-only experimental API. (rustc_private)

Provided Methods

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

🔬 This is a nightly-only experimental API. (rustc_private)

Implementors

• impl<'a, 'gcx, 'tcx> DefIdTree for TyCtxt<'a, 'gcx, 'tcx>