michael@0: // Parameter default values work in arrow functions
michael@0: 
michael@0: var f = (a=1, b=2, ...rest) => [a, b, rest];
michael@0: assertEq(f().toSource(), "[1, 2, []]");
michael@0: assertEq(f(0, 0).toSource(), "[0, 0, []]");
michael@0: assertEq(f(0, 1, 1, 2, 3, 5).toSource(), "[0, 1, [1, 2, 3, 5]]");