manual-advance.js - mozsearch

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// Manually advancing the iterator.

load(libdir + 'iteration.js');

function* g(n) { for (var i=0; i<n; i++) yield i; }

var inner = g(20);

var n = 0;

for (var x of inner) {

    assertEq(x, n * 2);

    assertIteratorNext(inner, n * 2 + 1);

    n++;

assertEq(n, 10);