{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"=="}]}
                        == (b_sig.abi, b_sig.safety, b_sig.c_variadic)
                    (a_sig.abi, a_sig.safety, a_sig.c_variadic)
                        && a_sig.inputs().iter().eq_by(b_sig.inputs().iter(), |a, b| {