union type

Intersection Type (교차 타입) type Admin = { name: string; privileges: string[]; }; type Employee = { name: string; startDate: Date; }; type ElevatedEmployee = Admin & Employee; const e1: ElevatedEmployee = { name: 'Max', privileges: ['create-server'], startDate: new Date() }; type Combinable = string | number; type Numeric = number | boolean; type Universal = Combinable & Numeric; const u: Universa..