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1 // A map iterator can cope with removing the next entry. | |
2 | |
3 load(libdir + "iteration.js"); | |
4 | |
5 var map = Map([['a', 0], ['b', 1], ['c', 2], ['d', 3]]); | |
6 var iter = map[std_iterator](); | |
7 var log = ''; | |
8 for (let [k, v] of iter) { | |
9 log += k + v; | |
10 if (k === 'b') | |
11 map.delete('c'); | |
12 } | |
13 assertEq(log, 'a0b1d3'); |