tests/cases/conformance/es6/destructuring/iterableArrayPattern18.ts(17,5): error TS2345: Argument of type 'FooIterator' is not assignable to parameter of type 'Bar[]'.
  Property 'length' is missing in type 'FooIterator'.


==== tests/cases/conformance/es6/destructuring/iterableArrayPattern18.ts (1 errors) ====
    class Bar { x }
    class Foo extends Bar { y }
    class FooIterator {
        next() {
            return {
                value: new Foo,
                done: false
            };
        }
    
        [Symbol.iterator]() {
            return this;
        }
    }
    
    function fun([a, b]: Bar[]) { }
    fun(new FooIterator);
        ~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type 'FooIterator' is not assignable to parameter of type 'Bar[]'.
!!! error TS2345:   Property 'length' is missing in type 'FooIterator'.