7 lines
288 B
TypeScript
7 lines
288 B
TypeScript
interface Animal { x }
|
|
interface Giraffe extends Animal { y }
|
|
interface Elephant extends Animal { z }
|
|
function f<T extends Animal>(x: T, y: T): T { return undefined; }
|
|
var g: Giraffe;
|
|
var e: Elephant;
|
|
f(g, e); // valid because both Giraffe and Elephant satisfy the constraint. T is Animal
|