tupleElementTypes1.ts(1,30): error TS2322: Type 'undefined' is not assignable to type 'number'.


==== tupleElementTypes1.ts (1 errors) ====
    var [a, b]: [number, any] = [undefined, undefined];
                                 ~~~~~~~~~
!!! error TS2322: Type 'undefined' is not assignable to type 'number'.