84 lines
2.1 KiB
TypeScript
84 lines
2.1 KiB
TypeScript
//// [subtypingWithCallSignaturesWithSpecializedSignatures.ts]
|
|
// same as subtypingWithCallSignatures but with additional specialized signatures that should not affect the results
|
|
|
|
module CallSignature {
|
|
interface Base { // T
|
|
// M's
|
|
(x: 'a'): void;
|
|
(x: string, y: number): void;
|
|
}
|
|
|
|
// S's
|
|
interface I extends Base {
|
|
// N's
|
|
(x: 'a'): number; // ok because base returns void
|
|
(x: string, y: number): number; // ok because base returns void
|
|
<T>(x: T): string; // ok because base returns void
|
|
}
|
|
|
|
interface Base2 { // T
|
|
// M's
|
|
(x: 'a'): number;
|
|
(x: string): number;
|
|
}
|
|
|
|
// S's
|
|
interface I2 extends Base2 {
|
|
// N's
|
|
(x: 'a'): string;
|
|
(x: string): string; // error because base returns non-void;
|
|
}
|
|
|
|
// S's
|
|
interface I3 extends Base2 {
|
|
// N's
|
|
<T>(x: T): string; // ok, adds a new call signature
|
|
}
|
|
}
|
|
|
|
module MemberWithCallSignature {
|
|
interface Base { // T
|
|
// M's
|
|
a: {
|
|
(x: 'a'): void;
|
|
(x: string): void;
|
|
}
|
|
a2: {
|
|
(x: 'a', y: number): void;
|
|
(x: string, y: number): void;
|
|
}
|
|
a3: <T>(x: T) => void;
|
|
}
|
|
|
|
// S's
|
|
interface I extends Base {
|
|
// N's
|
|
a: (x: string) => number; // ok because base returns void
|
|
a2: (x: string, y: number) => boolean; // ok because base returns void
|
|
a3: <T>(x: T) => string; // ok because base returns void
|
|
}
|
|
|
|
interface Base2 { // T
|
|
// M's
|
|
a: {
|
|
(x: 'a'): number;
|
|
(x: string): number;
|
|
}
|
|
a2: <T>(x: T) => T;
|
|
}
|
|
|
|
// S's
|
|
interface I2 extends Base2 {
|
|
// N's
|
|
a: (x: string) => string; // error because base returns non-void;
|
|
}
|
|
|
|
// S's
|
|
interface I3 extends Base2 {
|
|
// N's
|
|
a2: <T>(x: T) => string; // error because base returns non-void;
|
|
}
|
|
}
|
|
|
|
//// [subtypingWithCallSignaturesWithSpecializedSignatures.js]
|
|
// same as subtypingWithCallSignatures but with additional specialized signatures that should not affect the results
|