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Add tests for array destructuring of iterables
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‎tests/baselines/reference/iterableArrayPattern1.js‎

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//// [iterableArrayPattern1.ts]
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var [a, b] = new SymbolIterator;
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class SymbolIterator {
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next() {
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return {
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value: Symbol(),
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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//// [iterableArrayPattern1.js]
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var [a, b] = new SymbolIterator;
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class SymbolIterator {
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next() {
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return {
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value: Symbol(),
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

‎tests/baselines/reference/iterableArrayPattern1.types‎

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=== tests/cases/conformance/es6/destructuring/iterableArrayPattern1.ts ===
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var [a, b] = new SymbolIterator;
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>a : symbol
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>b : symbol
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>new SymbolIterator : SymbolIterator
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>SymbolIterator : typeof SymbolIterator
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class SymbolIterator {
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>SymbolIterator : SymbolIterator
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next() {
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>next : () => { value: symbol; done: boolean; }
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return {
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>{ value: Symbol(), done: false } : { value: symbol; done: boolean; }
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value: Symbol(),
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>value : symbol
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>Symbol() : symbol
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>Symbol : SymbolConstructor
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done: false
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>done : boolean
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};
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}
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[Symbol.iterator]() {
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>Symbol.iterator : symbol
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>Symbol : SymbolConstructor
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>iterator : symbol
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return this;
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>this : SymbolIterator
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}
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}

‎tests/baselines/reference/iterableArrayPattern10.errors.txt‎

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tests/cases/conformance/es6/destructuring/iterableArrayPattern10.ts(2,5): error TS2345: Argument of type 'FooIterator' is not assignable to parameter of type '[any, any]'.
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Property '0' is missing in type 'FooIterator'.
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==== tests/cases/conformance/es6/destructuring/iterableArrayPattern10.ts (1 errors) ====
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function fun([a, b]) { }
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fun(new FooIterator);
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~~~~~~~~~~~~~~~
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!!! error TS2345: Argument of type 'FooIterator' is not assignable to parameter of type '[any, any]'.
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!!! error TS2345: Property '0' is missing in type 'FooIterator'.
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class Bar { x }
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class Foo extends Bar { y }
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

‎tests/baselines/reference/iterableArrayPattern10.js‎

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//// [iterableArrayPattern10.ts]
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function fun([a, b]) { }
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fun(new FooIterator);
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class Bar { x }
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class Foo extends Bar { y }
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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//// [iterableArrayPattern10.js]
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function fun([a, b]) {
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}
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fun(new FooIterator);
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class Bar {
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}
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class Foo extends Bar {
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}
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

‎tests/baselines/reference/iterableArrayPattern11.js‎

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//// [iterableArrayPattern11.ts]
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function fun([a, b] = new FooIterator) { }
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fun(new FooIterator);
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class Bar { x }
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class Foo extends Bar { y }
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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//// [iterableArrayPattern11.js]
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function fun([a, b] = new FooIterator) {
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}
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fun(new FooIterator);
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class Bar {
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}
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class Foo extends Bar {
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}
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

‎tests/baselines/reference/iterableArrayPattern11.types‎

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=== tests/cases/conformance/es6/destructuring/iterableArrayPattern11.ts ===
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function fun([a, b] = new FooIterator) { }
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>fun : ([a, b]?: FooIterator) => void
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>a : Foo
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>b : Foo
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>new FooIterator : FooIterator
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>FooIterator : typeof FooIterator
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fun(new FooIterator);
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>fun(new FooIterator) : void
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>fun : ([a, b]?: FooIterator) => void
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>new FooIterator : FooIterator
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>FooIterator : typeof FooIterator
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class Bar { x }
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>Bar : Bar
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>x : any
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class Foo extends Bar { y }
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>Foo : Foo
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>Bar : Bar
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>y : any
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class FooIterator {
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>FooIterator : FooIterator
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next() {
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>next : () => { value: Foo; done: boolean; }
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return {
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>{ value: new Foo, done: false } : { value: Foo; done: boolean; }
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value: new Foo,
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>value : Foo
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>new Foo : Foo
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>Foo : typeof Foo
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done: false
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>done : boolean
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};
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}
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[Symbol.iterator]() {
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>Symbol.iterator : symbol
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>Symbol : SymbolConstructor
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>iterator : symbol
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return this;
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>this : FooIterator
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}
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}

‎tests/baselines/reference/iterableArrayPattern12.js‎

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//// [iterableArrayPattern12.ts]
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function fun([a, ...b] = new FooIterator) { }
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fun(new FooIterator);
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class Bar { x }
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class Foo extends Bar { y }
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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//// [iterableArrayPattern12.js]
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function fun([a, ...b] = new FooIterator) {
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}
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fun(new FooIterator);
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class Bar {
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}
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class Foo extends Bar {
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}
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

‎tests/baselines/reference/iterableArrayPattern12.types‎

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=== tests/cases/conformance/es6/destructuring/iterableArrayPattern12.ts ===
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function fun([a, ...b] = new FooIterator) { }
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>fun : ([a, ...b]?: FooIterator) => void
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>a : Foo
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>b : Foo[]
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>new FooIterator : FooIterator
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>FooIterator : typeof FooIterator
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fun(new FooIterator);
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>fun(new FooIterator) : void
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>fun : ([a, ...b]?: FooIterator) => void
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>new FooIterator : FooIterator
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>FooIterator : typeof FooIterator
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class Bar { x }
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>Bar : Bar
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>x : any
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class Foo extends Bar { y }
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>Foo : Foo
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>Bar : Bar
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>y : any
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class FooIterator {
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>FooIterator : FooIterator
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next() {
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>next : () => { value: Foo; done: boolean; }
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return {
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>{ value: new Foo, done: false } : { value: Foo; done: boolean; }
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value: new Foo,
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>value : Foo
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>new Foo : Foo
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>Foo : typeof Foo
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done: false
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>done : boolean
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};
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}
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[Symbol.iterator]() {
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>Symbol.iterator : symbol
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>Symbol : SymbolConstructor
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>iterator : symbol
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return this;
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>this : FooIterator
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}
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}

‎tests/baselines/reference/iterableArrayPattern13.js‎

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//// [iterableArrayPattern13.ts]
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function fun([a, ...b]) { }
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fun(new FooIterator);
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class Bar { x }
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class Foo extends Bar { y }
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}
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//// [iterableArrayPattern13.js]
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function fun([a, ...b]) {
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}
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fun(new FooIterator);
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class Bar {
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}
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class Foo extends Bar {
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}
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class FooIterator {
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next() {
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return {
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value: new Foo,
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done: false
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};
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}
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[Symbol.iterator]() {
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return this;
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}
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}

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