iteratorSpreadInArray7.ts(15,1): error TS2454: Variable 'array' is used before being assigned.


==== iteratorSpreadInArray7.ts (1 errors) ====
    class SymbolIterator {
        next() {
            return {
                value: Symbol(),
                done: false
            };
        }
    
        [Symbol.iterator]() {
            return this;
        }
    }
    
    var array: symbol[];
    array.concat([...new SymbolIterator]);
    ~~~~~
!!! error TS2454: Variable 'array' is used before being assigned.