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interface User { type: 'user'; name: string; age: number; occupation: string; } interface Admin { type: 'admin'; name: string; age: number; role: string; } type Person = User | Admin; const admins: Admin[] = [ { type: 'admin', name: 'Jane Doe', age: 32, role: 'Administrator' }, { type: 'admin', name: 'Bruce Willis', age: 64, role: 'World saver' } ]; const users: User[] = [ { type: 'user', name: ..

interface User { type: 'user'; name: string; age: number; occupation: string; } interface Admin { type: 'admin'; name: string; age: number; role: string; } type PowerUser = unknown; export type Person = User | Admin | PowerUser; export const persons: Person[] = [ { type: 'user', name: 'Max Mustermann', age: 25, occupation: 'Chimney sweep' }, { type: 'admin', name: 'Jane Doe', age: 32, role: 'Adm..

interface User { type: 'user'; name: string; age: number; occupation: string; } interface Admin { type: 'admin'; name: string; age: number; role: string; } function logUser(user: User) { const pos = users.indexOf(user) + 1; console.log(` - #${pos} User: ${user.name}, ${user.age}, ${user.occupation}`); } function logAdmin(admin: Admin) { const pos = admins.indexOf(admin) + 1; console.log(` - #${p..

interface User { type: 'user'; name: string; age: number; occupation: string; } interface Admin { type: 'admin'; name: string; age: number; role: string; } export type Person = User | Admin; export const persons: Person[] = [ { type: 'user', name: 'Max Mustermann', age: 25, occupation: 'Chimney sweep' }, { type: 'admin', name: 'Jane Doe', age: 32, role: 'Administrator' }, { type: 'user', name: '..

interface User { type: 'user'; name: string; age: number; occupation: string; } interface Admin { type: 'admin'; name: string; age: number; role: string; } export type Person = User | Admin; export const persons: Person[] = [ { type: 'user', name: 'Max Mustermann', age: 25, occupation: 'Chimney sweep' }, { type: 'admin', name: 'Jane Doe', age: 32, role: 'Administrator' }, { type: 'user', name: '..

interface User { name: string; age: number; occupation: string; } interface Admin { name: string; age: number; role: string; } export type Person = User | Admin; export const persons: Person[] = [ { name: 'Max Mustermann', age: 25, occupation: 'Chimney sweep' }, { name: 'Jane Doe', age: 32, role: 'Administrator' }, { name: 'Kate Müller', age: 23, occupation: 'Astronaut' }, { name: 'Bruce Willis'..

interface User { name: string; age: number; occupation: string; } interface Admin { name: string; age: number; role: string; } export type Person = unknown; export const persons: User[] /*

export type User = unknown; export const users: unknown[] = [ { name: 'Max Mustermann', age: 25, occupation: 'Chimney sweep' }, { name: 'Kate Müller', age: 23, occupation: 'Astronaut' } ]; export function logPerson(user: unknown) { console.log(` - ${user.name}, ${user.age}`); } console.log('Users:'); users.forEach(logPerson); User 타입을 정의해주고 사용하면 되는 간단한 문제 export type User = { name : string age :..