Source code
Revision control
Copy as Markdown
Other Tools
// This file was procedurally generated from the following sources:
// - src/generators/yield-spread-arr-multiple.case
// - src/generators/default/obj-method.template
/*---
description: Use yield value in a array spread position (Generator method)
esid: prod-GeneratorMethod
features: [generators]
flags: [generated]
includes: [compareArray.js]
info: |
14.4 Generator Function Definitions
GeneratorMethod[Yield, Await]:
* PropertyName[?Yield, ?Await] ( UniqueFormalParameters[+Yield, ~Await] ) { GeneratorBody }
Array Initializer
SpreadElement[Yield, Await]:
...AssignmentExpression[+In, ?Yield, ?Await]
---*/
var arr = ['a', 'b', 'c'];
var item;
var callCount = 0;
var gen = {
*method() {
callCount += 1;
yield [...yield yield];
}
}.method;
var iter = gen();
iter.next(false);
item = iter.next(['a', 'b', 'c']);
item = iter.next(item.value);
assert.compareArray(item.value, arr);
assert.sameValue(item.done, false);
assert.sameValue(callCount, 1);
reportCompare(0, 0);