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tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(5,5): error TS2345: Argument of type '1' is not assignable to parameter of type 'Function'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(6,1): error TS2554: Expected 1 arguments, but got 2.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(7,1): error TS2554: Expected 1 arguments, but got 2.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(23,14): error TS2345: Argument of type 'Function' is not assignable to parameter of type '(x: string) => string'.
Type 'Function' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(24,15): error TS2345: Argument of type '(x: string[]) => string[]' is not assignable to parameter of type '(x: string) => string'.
Types of parameters 'x' and 'x' are incompatible.
Type 'string' is not assignable to type 'string[]'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(25,15): error TS2345: Argument of type 'typeof C' is not assignable to parameter of type '(x: string) => string'.
Type 'typeof C' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(26,15): error TS2345: Argument of type 'new (x: string) => string' is not assignable to parameter of type '(x: string) => string'.
Type 'new (x: string) => string' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(28,16): error TS2345: Argument of type '<U, V>(x: U, y: V) => U' is not assignable to parameter of type '(x: string) => string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(29,16): error TS2345: Argument of type 'typeof C2' is not assignable to parameter of type '(x: string) => string'.
Type 'typeof C2' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(30,16): error TS2345: Argument of type 'new <T>(x: T) => T' is not assignable to parameter of type '(x: string) => string'.
Type 'new <T>(x: T) => T' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(34,16): error TS2345: Argument of type 'F2' is not assignable to parameter of type '(x: string) => string'.
Type 'F2' provides no match for the signature '(x: string): string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(37,10): error TS2345: Argument of type 'T' is not assignable to parameter of type '(x: string) => string'.
Type '() => void' is not assignable to type '(x: string) => string'.
Type 'void' is not assignable to type 'string'.
tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts(38,10): error TS2345: Argument of type 'U' is not assignable to parameter of type '(x: string) => string'.
Type 'T' is not assignable to type '(x: string) => string'.
==== tests/cases/conformance/types/typeParameters/typeArgumentLists/functionConstraintSatisfaction2.ts (13 errors) ====
// satisfaction of a constraint to Function, all of these invocations are errors unless otherwise noted
function foo<T extends Function>(x: T): T { return x; }
foo(1);
~
!!! error TS2345: Argument of type '1' is not assignable to parameter of type 'Function'.
foo(() => { }, 1);
~~~~~~~~~~~~~~~~~
!!! error TS2554: Expected 1 arguments, but got 2.
foo(1, () => { });
~~~~~~~~~~~~~~~~~
!!! error TS2554: Expected 1 arguments, but got 2.
function foo2<T extends (x: string) => string>(x: T): T { return x; }
class C {
foo: string;
}
var b: { new (x: string): string };
class C2<T> {
foo: T;
}
var b2: { new <T>(x: T): T };
var r = foo2(new Function());
~~~~~~~~~~~~~~
!!! error TS2345: Argument of type 'Function' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'Function' provides no match for the signature '(x: string): string'.
var r2 = foo2((x: string[]) => x);
~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '(x: string[]) => string[]' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2345: Type 'string' is not assignable to type 'string[]'.
var r6 = foo2(C);
~
!!! error TS2345: Argument of type 'typeof C' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'typeof C' provides no match for the signature '(x: string): string'.
var r7 = foo2(b);
~
!!! error TS2345: Argument of type 'new (x: string) => string' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'new (x: string) => string' provides no match for the signature '(x: string): string'.
var r8 = foo2(<U>(x: U) => x); // no error expected
var r11 = foo2(<U, V>(x: U, y: V) => x);
~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '<U, V>(x: U, y: V) => U' is not assignable to parameter of type '(x: string) => string'.
var r13 = foo2(C2);
~~
!!! error TS2345: Argument of type 'typeof C2' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'typeof C2' provides no match for the signature '(x: string): string'.
var r14 = foo2(b2);
~~
!!! error TS2345: Argument of type 'new <T>(x: T) => T' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'new <T>(x: T) => T' provides no match for the signature '(x: string): string'.
interface F2 extends Function { foo: string; }
var f2: F2;
var r16 = foo2(f2);
~~
!!! error TS2345: Argument of type 'F2' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'F2' provides no match for the signature '(x: string): string'.
function fff<T extends { (): void }, U extends T>(x: T, y: U) {
foo2(x);
~
!!! error TS2345: Argument of type 'T' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type '() => void' is not assignable to type '(x: string) => string'.
!!! error TS2345: Type 'void' is not assignable to type 'string'.
foo2(y);
~
!!! error TS2345: Argument of type 'U' is not assignable to parameter of type '(x: string) => string'.
!!! error TS2345: Type 'T' is not assignable to type '(x: string) => string'.
}
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