syntax_data: {"ast_node_type":"function","tokens":[{"end":51,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn self_ty(&self) -> ty::Binder<I, I::Ty> {
context_before: impl<I: Interner> ty::Binder<I, TraitRef<I>> {
context_after:         self.map_bound_ref(|tr| tr.self_ty())