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tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments2.ts(29,18): error TS2345: Argument of type 'I2<string>' is not assignable to parameter of type 'new (a: 1) => string'.
Types of parameters 'x' and 'a' are incompatible.
Type '1' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments2.ts(40,18): error TS2345: Argument of type 'I2<string>' is not assignable to parameter of type 'new (a: 1) => string'.
Types of parameters 'x' and 'a' are incompatible.
Type '1' is not assignable to type 'string'.
==== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithFunctionTypedArguments2.ts (2 errors) ====
// Generic functions used as arguments for function typed parameters are not used to make inferences from
// Using construct signature arguments, no errors expected
function foo<T>(x: new(a: T) => T) {
return new x(null);
}
interface I {
new <T>(x: T): T;
}
interface I2<T> {
new (x: T): T;
}
var i: I;
var i2: I2<string>;
var a: {
new <T>(x: T): T;
}
var r = foo(i); // any
var r2 = foo<string>(i); // string
var r3 = foo(i2); // string
var r3b = foo(a); // any
function foo2<T, U>(x: T, cb: new(a: T) => U) {
return new cb(x);
}
var r4 = foo2(1, i2); // error
~~
!!! error TS2345: Argument of type 'I2<string>' is not assignable to parameter of type 'new (a: 1) => string'.
!!! error TS2345: Types of parameters 'x' and 'a' are incompatible.
!!! error TS2345: Type '1' is not assignable to type 'string'.
var r4b = foo2(1, a); // any
var r5 = foo2(1, i); // any
var r6 = foo2<string, string>('', i2); // string
function foo3<T, U>(x: T, cb: new(a: T) => U, y: U) {
return new cb(x);
}
var r7 = foo3(null, i, ''); // any
var r7b = foo3(null, a, ''); // any
var r8 = foo3(1, i2, 1); // error
~~
!!! error TS2345: Argument of type 'I2<string>' is not assignable to parameter of type 'new (a: 1) => string'.
!!! error TS2345: Types of parameters 'x' and 'a' are incompatible.
!!! error TS2345: Type '1' is not assignable to type 'string'.
var r9 = foo3<string, string>('', i2, ''); // string
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