tests/cases/conformance/es6/destructuring/iterableArrayPattern21.ts(1,5): error TS2488: Type must have a '[Symbol.iterator]()' method that returns an iterator. ==== tests/cases/conformance/es6/destructuring/iterableArrayPattern21.ts (1 errors) ==== var [a, b] = { 0: "", 1: true }; ~~~~~~ !!! error TS2488: Type must have a '[Symbol.iterator]()' method that returns an iterator.