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1 // Arrow functions have a .length property like ordinary functions. | |
2 | |
3 assertEq((a => a).hasOwnProperty("length"), true); | |
4 | |
5 assertEq((a => a).length, 1); | |
6 assertEq((() => 0).length, 0); | |
7 assertEq(((a) => 0).length, 1); | |
8 assertEq(((a, b) => 0).length, 2); | |
9 | |
10 assertEq(((...arr) => arr).length, 0); | |
11 assertEq(((a=1, b=2) => 0).length, 0); |