usingDeclarationsInForOf.4.ts(3,12): error TS1155: 'using' declarations must be initialized.


==== usingDeclarationsInForOf.4.ts (1 errors) ====
    for (using of = null;;) break;
    for (using of: null = null;;) break;
    for (using of;;) break;
               ~~
!!! error TS1155: 'using' declarations must be initialized.
    