20 lines
422 B
JavaScript
20 lines
422 B
JavaScript
function *adder(total = 0) {
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let increment = 1;
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while (true) {
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let request = function.sent;
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switch (request) {
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case undefined: break;
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case "done": return total;
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default: increment = Number(request);
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}
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yield total += increment;
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}
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}
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let tally = adder();
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tally.next(0.1);
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tally.next(0.1);
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tally.next(0.1);
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let last = tally.next("done");
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assert.equal(last.value, 0.30000000000000004);
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