js/src/tests/ecma_6/Generators/delegating-yield-4.js@6474c204b198 (annotated)
js/src/tests/ecma_6/Generators/delegating-yield-4.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // With yield*, inner and outer iterators can be invoked separately. |
| michael@0 | 2 | |
| michael@0 | 3 | function* g(n) { for (var i=0; i<n; i++) yield i; } |
| michael@0 | 4 | function* delegate(iter) { return yield* iter; } |
| michael@0 | 5 | |
| michael@0 | 6 | var inner = g(20); |
| michael@0 | 7 | var outer1 = delegate(inner); |
| michael@0 | 8 | var outer2 = delegate(inner); |
| michael@0 | 9 | |
| michael@0 | 10 | assertIteratorNext(outer1, 0); |
| michael@0 | 11 | assertIteratorNext(outer2, 1); |
| michael@0 | 12 | assertIteratorNext(inner, 2); |
| michael@0 | 13 | assertIteratorNext(outer1, 3); |
| michael@0 | 14 | assertIteratorNext(outer2, 4); |
| michael@0 | 15 | assertIteratorNext(inner, 5); |
| michael@0 | 16 | |
| michael@0 | 17 | if (typeof reportCompare == "function") |
| michael@0 | 18 | reportCompare(true, true); |
