generators-3.js - mozsearch

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// Nested for-of loops can use the same generator-iterator.

function* range(n) {

    for (var i = 0; i < n; i++)

        yield i;

var r = range(10);

for (var a of r)

    for (var b of r)

        for (var c of r)

            for (var d of r)

assertEq(a, 0);

assertEq(b, 1);

assertEq(c, 2);

assertEq(d, 9);