tests/cases/compiler/genericRestArgs.ts(2,12): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate '1' is not a valid type argument because it is not a supertype of candidate '""'.
tests/cases/compiler/genericRestArgs.ts(5,34): error TS2345: Argument of type '""' is not assignable to parameter of type 'number'.
tests/cases/compiler/genericRestArgs.ts(10,12): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate '1' is not a valid type argument because it is not a supertype of candidate '""'.
tests/cases/compiler/genericRestArgs.ts(12,30): error TS2345: Argument of type '1' is not assignable to parameter of type 'any[]'.


==== tests/cases/compiler/genericRestArgs.ts (4 errors) ====
    function makeArrayG<T>(...items: T[]): T[] { return items; }
    var a1Ga = makeArrayG(1, ""); // no error
               ~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453:   Type argument candidate '1' is not a valid type argument because it is not a supertype of candidate '""'.
    var a1Gb = makeArrayG<any>(1, ""); 
    var a1Gc = makeArrayG<Object>(1, ""); 
    var a1Gd = makeArrayG<number>(1, ""); // error
                                     ~~
!!! error TS2345: Argument of type '""' is not assignable to parameter of type 'number'.
    
    function makeArrayGOpt<T>(item1?: T, item2?: T, item3?: T) {
        return [item1, item2, item3];
    }
    var a2Ga = makeArrayGOpt(1, ""); 
               ~~~~~~~~~~~~~
!!! error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453:   Type argument candidate '1' is not a valid type argument because it is not a supertype of candidate '""'.
    var a2Gb = makeArrayG<any>(1, "");
    var a2Gc = makeArrayG<any[]>(1, ""); // error
                                 ~
!!! error TS2345: Argument of type '1' is not assignable to parameter of type 'any[]'.