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tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(35,1): error TS2322: Type 'S2' is not assignable to type 'T'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(36,1): error TS2322: Type '(x: string) => void' is not assignable to type 'T'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(37,1): error TS2322: Type '(x: string) => number' is not assignable to type 'T'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(38,1): error TS2322: Type '(x: string) => string' is not assignable to type 'T'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(39,1): error TS2322: Type 'S2' is not assignable to type '(x: number) => void'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(40,1): error TS2322: Type '(x: string) => void' is not assignable to type '(x: number) => void'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(41,1): error TS2322: Type '(x: string) => number' is not assignable to type '(x: number) => void'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts(42,1): error TS2322: Type '(x: string) => string' is not assignable to type '(x: number) => void'.
Types of parameters 'x' and 'x' are incompatible.
Type 'number' is not assignable to type 'string'.
==== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures.ts (8 errors) ====
// void returning call signatures can be assigned a non-void returning call signature that otherwise matches
interface T {
(x: number): void;
}
var t: T;
var a: { (x: number): void };
t = a;
a = t;
interface S {
(x: number): string;
}
var s: S;
var a2: { (x: number): string };
t = s;
t = a2;
a = s;
a = a2;
t = <T>(x: T) => 1;
t = () => 1;
t = function (x: number) { return ''; }
a = <T>(x: T) => 1;
a = () => 1;
a = function (x: number) { return ''; }
interface S2 {
(x: string): void;
}
var s2: S2;
var a3: { (x: string): void };
// these are errors
t = s2;
~
!!! error TS2322: Type 'S2' is not assignable to type 'T'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
t = a3;
~
!!! error TS2322: Type '(x: string) => void' is not assignable to type 'T'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
t = (x: string) => 1;
~
!!! error TS2322: Type '(x: string) => number' is not assignable to type 'T'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
t = function (x: string) { return ''; }
~
!!! error TS2322: Type '(x: string) => string' is not assignable to type 'T'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
a = s2;
~
!!! error TS2322: Type 'S2' is not assignable to type '(x: number) => void'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
a = a3;
~
!!! error TS2322: Type '(x: string) => void' is not assignable to type '(x: number) => void'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
a = (x: string) => 1;
~
!!! error TS2322: Type '(x: string) => number' is not assignable to type '(x: number) => void'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
a = function (x: string) { return ''; }
~
!!! error TS2322: Type '(x: string) => string' is not assignable to type '(x: number) => void'.
!!! error TS2322: Types of parameters 'x' and 'x' are incompatible.
!!! error TS2322: Type 'number' is not assignable to type 'string'.
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