TypeScript/tests/baselines/reference/for-of34.js
Ron Buckton e8bf9584aa
Improve type checking and inference for Generators and Async Generators (#30790)
* Improve typing for Generators and Async Generators

* Add TReturn and TNext to Iterator, IterableIterator, etc.

* Update ts internal Iterator to be assignable from global Iterator

* Make 'done' optional in IteratorYieldResult

* Revert Iterable and IterableIterator to simpler versions plus other fixes

* Add additional inference tests

* Added additional tests

* PR cleanup and minor async iteration type fix

* Updated diagnostics message and added non-strict tests

* Fix expected arity of Iterator/AsyncIterator
2019-07-03 21:55:59 -07:00

24 lines
360 B
TypeScript

//// [for-of34.ts]
class StringIterator {
next() {
return v;
}
[Symbol.iterator]() {
return this;
}
}
for (var v of new StringIterator) { }
//// [for-of34.js]
class StringIterator {
next() {
return v;
}
[Symbol.iterator]() {
return this;
}
}
for (var v of new StringIterator) { }