TypeScript/tests/baselines/reference/for-of30.symbols
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

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=== tests/cases/conformance/es6/for-ofStatements/for-of30.ts ===
class StringIterator {
>StringIterator : Symbol(StringIterator, Decl(for-of30.ts, 0, 0))
next() {
>next : Symbol(StringIterator.next, Decl(for-of30.ts, 0, 22))
return {
done: false,
>done : Symbol(done, Decl(for-of30.ts, 2, 16))
value: ""
>value : Symbol(value, Decl(for-of30.ts, 3, 24))
}
}
return = 0;
>return : Symbol(StringIterator.return, Decl(for-of30.ts, 6, 5))
[Symbol.iterator]() {
>[Symbol.iterator] : Symbol(StringIterator[Symbol.iterator], Decl(for-of30.ts, 8, 15))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
return this;
>this : Symbol(StringIterator, Decl(for-of30.ts, 0, 0))
}
}
for (var v of new StringIterator) { }
>v : Symbol(v, Decl(for-of30.ts, 15, 8))
>StringIterator : Symbol(StringIterator, Decl(for-of30.ts, 0, 0))