{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"Adjust::Pointer(PointerCoercion::ClosureFnPointer(b_sig.safety()))"}]}
                    Adjust::Pointer(PointerCoercion::ClosureFnPointer(b_sig.safety()))
                ty::Closure(..) => {
                }