ts 函数重载

2023-02-20,,

class User {
constructor(public readonly name: string, public readonly value: Function) {}
} class Data {
values: any[] = []; register(name: string, value: Function): void;
register(user: User): void;
register(name: string | User, value?: Function) {
if (name instanceof User) {
this.values.push(name);
} else {
this.values.push(new User(name, value!));
}
} } const data = new Data(); data.register("a", () => {});
data.register(new User('b', () => {})); console.assert( data.values.length === 2 )

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