| 1 | var f = function (i, next) {
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| 2 | setTimeout(function () {
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| 3 | if (i === 20) {
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| 4 | next(new Error('my exception'));
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| 5 | } else {
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| 6 | next(null, i);
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| 7 | }
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| 8 | }, i);
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| 9 | }
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| 10 |
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| 11 | var r = [];
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| 12 | try {
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| 13 | parallel(
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| 14 | f(50, obtain(r[0])),
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| 15 | f(100, obtain(r[1])),
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| 16 | f(20, obtain(r[2])),
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| 17 | f(10, obtain(r[3]))
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| 18 | )
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| 19 | } catch(err) {
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| 20 | console.error(err);
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| 21 | }
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| 22 | console.log('Done');
|