syntax_data: {"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"Ok(Ty::new_fn_ptr(cx,"}]}
source_snippet:             Ok(Ty::new_fn_ptr(cx, fty))
context_before:             let fty = relation.relate(a_sig_tys.with(a_hdr), b_sig_tys.with(b_hdr))?;
context_after:         }