tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments5.ts(10,14): error TS2345: Argument of type '{ cb: <T>(x: T, y: T) => string; }' is not assignable to parameter of type '{ cb: (t: {}) => string; }'.
  Types of property 'cb' are incompatible.
    Type '<T>(x: T, y: T) => string' is not assignable to type '(t: {}) => string'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments5.ts(11,14): error TS2345: Argument of type '{ cb: (x: string, y: number) => string; }' is not assignable to parameter of type '{ cb: (t: string) => string; }'.
  Types of property 'cb' are incompatible.
    Type '(x: string, y: number) => string' is not assignable to type '(t: string) => string'.


==== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments5.ts (2 errors) ====
    // Generic call with parameter of object type with member of function type of n args passed object whose associated member is call signature with n+1 args
    
    function foo<T, U>(arg: { cb: (t: T) => U }) {
        return arg.cb(null);
    }
    
    var arg = { cb: <T>(x: T) => '' };
    var r = foo(arg); // {}
    // more args not allowed
    var r2 = foo({ cb: <T>(x: T, y: T) => '' }); // error
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '{ cb: <T>(x: T, y: T) => string; }' is not assignable to parameter of type '{ cb: (t: {}) => string; }'.
!!! error TS2345:   Types of property 'cb' are incompatible.
!!! error TS2345:     Type '<T>(x: T, y: T) => string' is not assignable to type '(t: {}) => string'.
    var r3 = foo({ cb: (x: string, y: number) => '' }); // error
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '{ cb: (x: string, y: number) => string; }' is not assignable to parameter of type '{ cb: (t: string) => string; }'.
!!! error TS2345:   Types of property 'cb' are incompatible.
!!! error TS2345:     Type '(x: string, y: number) => string' is not assignable to type '(t: string) => string'.
    
    function foo2<T, U>(arg: { cb: (t: T, t2: T) => U }) {
        return arg.cb(null, null);
    }
    
    // fewer args ok
    var r4 = foo(arg); // {}
    var r5 = foo({ cb: <T>(x: T) => '' }); // {}
    var r6 = foo({ cb: (x: string) => '' }); // string
    var r7 = foo({ cb: () => '' }); // string