syntax_data: {"ast_node_type":"function","tokens":[{"end":85,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn with_self_ty(&self, cx: I, self_ty: I::Ty) -> ty::Binder<I, TraitRef<I>> {
context_before:     /// or some placeholder type.
context_after:         self.map_bound(|trait_ref| trait_ref.with_self_ty(cx, self_ty))