tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts(26,10): error TS2453: The type argument for type parameter 'U' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts(30,15): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts(33,15): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts(34,16): error TS2453: The type argument for type parameter 'T' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts(35,15): error TS2453: The type argument for type parameter 'U' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
  Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.


==== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments.ts (5 errors) ====
    // Generic functions used as arguments for function typed parameters are not used to make inferences from
    // Using function arguments, no errors expected
    
    function foo<T>(x: (a: T) => T) {
        return x(null);
    }
    
    var r = foo(<U>(x: U) => ''); // {}
    var r2 = foo<string>(<U>(x: U) => ''); // string 
    var r3 = foo(x => ''); // {}
    
    function foo2<T, U>(x: T, cb: (a: T) => U) {
        return cb(x);
    }
    
    var r4 = foo2(1, function <Z>(a: Z) { return '' }); // string, contextual signature instantiation is applied to generic functions
    var r5 = foo2(1, (a) => ''); // string
    var r6 = foo2<string, number>('', <Z>(a: Z) => 1);
    
    function foo3<T, U>(x: T, cb: (a: T) => U, y: U) {
        return cb(x);
    }
    
    var r7 = foo3(1, <Z>(a: Z) => '', ''); // string
    
    var r8 = foo3(1, function (a) { return '' }, 1); // error
             ~~~~
!!! error TS2453: The type argument for type parameter 'U' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453:   Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
    var r9 = foo3<number, string>(1, (a) => '', ''); // string
    
    function other<T, U>(t: T, u: U) {
        var r10 = foo2(1, (x: T) => ''); // 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 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
        var r10 = foo2(1, (x) => ''); // string
    
        var r11 = foo3(1, (x: T) => '', ''); // 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 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
        var r11b = foo3(1, (x: T) => '', 1); // 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 'number' is not a valid type argument because it is not a supertype of candidate 'T'.
        var r12 = foo3(1, function (a) { return '' }, 1); // error
                  ~~~~
!!! error TS2453: The type argument for type parameter 'U' cannot be inferred from the usage. Consider specifying the type arguments explicitly.
!!! error TS2453:   Type argument candidate 'number' is not a valid type argument because it is not a supertype of candidate 'string'.
    }