for-of39.ts(1,25): error TS2769: No overload matches this call.
  The last overload gave the following error.
    Type 'boolean' is not assignable to type 'number'.


==== for-of39.ts (1 errors) ====
    var map = new Map([["", true], ["", 0]]);
                            ~~~~
!!! error TS2769: No overload matches this call.
!!! error TS2769:   The last overload gave the following error.
!!! error TS2769:     Type 'boolean' is not assignable to type 'number'.
!!! related TS2771 lib.es2015.collection.d.ts:--:--: The last overload is declared here.
    for (var [k, v] of map) {
        k;
        v;
    }