restElementWithNullInitializer.ts(1,15): error TS2488: Type 'null' must have a '[Symbol.iterator]()' method that returns an iterator.
restElementWithNullInitializer.ts(4,15): error TS2488: Type 'undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
restElementWithNullInitializer.ts(7,15): error TS2488: Type '{}' must have a '[Symbol.iterator]()' method that returns an iterator.


==== restElementWithNullInitializer.ts (3 errors) ====
    function foo1([...r] = null) {
                  ~~~~~~
!!! error TS2488: Type 'null' must have a '[Symbol.iterator]()' method that returns an iterator.
    }
    
    function foo2([...r] = undefined) {
                  ~~~~~~
!!! error TS2488: Type 'undefined' must have a '[Symbol.iterator]()' method that returns an iterator.
    }
    
    function foo3([...r] = {}) {
                  ~~~~~~
!!! error TS2488: Type '{}' must have a '[Symbol.iterator]()' method that returns an iterator.
    }
    
    function foo4([...r] = []) {
    }
    