// Arrow functions have a .length property like ordinary functions. | |
assertEq((a => a).hasOwnProperty("length"), true); | |
assertEq((a => a).length, 1); | |
assertEq((() => 0).length, 0); | |
assertEq(((a) => 0).length, 1); | |
assertEq(((a, b) => 0).length, 2); | |
assertEq(((...arr) => arr).length, 0); | |
assertEq(((a=1, b=2) => 0).length, 0); |