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tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(31,1): error TS2322: Type '() => number' is not assignable to type 'T'.
Property 'f' is missing in type '() => number'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(32,1): error TS2322: Type '(x: number) => string' is not assignable to type 'T'.
Property 'f' is missing in type '(x: number) => string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(33,1): error TS2322: Type '() => number' is not assignable to type '{ f(x: number): void; }'.
Property 'f' is missing in type '() => number'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(34,1): error TS2322: Type '(x: number) => string' is not assignable to type '{ f(x: number): void; }'.
Property 'f' is missing in type '(x: number) => string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(42,1): error TS2322: Type 'S2' is not assignable to type 'T'.
Types of property 'f' are incompatible.
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/assignmentCompatWithCallSignatures2.ts(43,1): error TS2322: Type '{ f(x: string): void; }' is not assignable to type 'T'.
Types of property 'f' are incompatible.
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/assignmentCompatWithCallSignatures2.ts(44,1): error TS2322: Type '(x: string) => number' is not assignable to type 'T'.
Property 'f' is missing in type '(x: string) => number'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(45,1): error TS2322: Type '(x: string) => string' is not assignable to type 'T'.
Property 'f' is missing in type '(x: string) => string'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(46,1): error TS2322: Type 'S2' is not assignable to type '{ f(x: number): void; }'.
Types of property 'f' are incompatible.
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/assignmentCompatWithCallSignatures2.ts(47,1): error TS2322: Type '{ f(x: string): void; }' is not assignable to type '{ f(x: number): void; }'.
Types of property 'f' are incompatible.
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/assignmentCompatWithCallSignatures2.ts(48,1): error TS2322: Type '(x: string) => number' is not assignable to type '{ f(x: number): void; }'.
Property 'f' is missing in type '(x: string) => number'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts(49,1): error TS2322: Type '(x: string) => string' is not assignable to type '{ f(x: number): void; }'.
Property 'f' is missing in type '(x: string) => string'.
==== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithCallSignatures2.ts (12 errors) ====
// void returning call signatures can be assigned a non-void returning call signature that otherwise matches
interface T {
f(x: number): void;
}
var t: T;
var a: { f(x: number): void };
t = a;
a = t;
interface S {
f(x: number): string;
}
var s: S;
var a2: { f(x: number): string };
t = s;
t = a2;
a = s;
a = a2;
t = { f: () => 1 };
t = { f: <T>(x:T) => 1 };
t = { f: function f() { return 1 } };
t = { f(x: number) { return ''; } }
a = { f: () => 1 }
a = { f: <T>(x: T) => 1 };
a = { f: function (x: number) { return ''; } }
// errors
t = () => 1;
~
!!! error TS2322: Type '() => number' is not assignable to type 'T'.
!!! error TS2322: Property 'f' is missing in type '() => number'.
t = function (x: number) { return ''; }
~
!!! error TS2322: Type '(x: number) => string' is not assignable to type 'T'.
!!! error TS2322: Property 'f' is missing in type '(x: number) => string'.
a = () => 1;
~
!!! error TS2322: Type '() => number' is not assignable to type '{ f(x: number): void; }'.
!!! error TS2322: Property 'f' is missing in type '() => number'.
a = function (x: number) { return ''; }
~
!!! error TS2322: Type '(x: number) => string' is not assignable to type '{ f(x: number): void; }'.
!!! error TS2322: Property 'f' is missing in type '(x: number) => string'.
interface S2 {
f(x: string): void;
}
var s2: S2;
var a3: { f(x: string): void };
// these are errors
t = s2;
~
!!! error TS2322: Type 'S2' is not assignable to type 'T'.
!!! error TS2322: Types of property 'f' are incompatible.
!!! 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'.
t = a3;
~
!!! error TS2322: Type '{ f(x: string): void; }' is not assignable to type 'T'.
!!! error TS2322: Types of property 'f' are incompatible.
!!! 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'.
t = (x: string) => 1;
~
!!! error TS2322: Type '(x: string) => number' is not assignable to type 'T'.
!!! error TS2322: Property 'f' is missing in type '(x: string) => number'.
t = function (x: string) { return ''; }
~
!!! error TS2322: Type '(x: string) => string' is not assignable to type 'T'.
!!! error TS2322: Property 'f' is missing in type '(x: string) => string'.
a = s2;
~
!!! error TS2322: Type 'S2' is not assignable to type '{ f(x: number): void; }'.
!!! error TS2322: Types of property 'f' are incompatible.
!!! 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 = a3;
~
!!! error TS2322: Type '{ f(x: string): void; }' is not assignable to type '{ f(x: number): void; }'.
!!! error TS2322: Types of property 'f' are incompatible.
!!! 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 '{ f(x: number): void; }'.
!!! error TS2322: Property 'f' is missing in type '(x: string) => number'.
a = function (x: string) { return ''; }
~
!!! error TS2322: Type '(x: string) => string' is not assignable to type '{ f(x: number): void; }'.
!!! error TS2322: Property 'f' is missing in type '(x: string) => string'.
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