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interface User { id: number; name: string; email: string; } const users: User[] = [ { id: 1, name: 'Alice', email: 'alice@example.com' }, { id: 2, name: 'Bob', email: 'bob@example.com' }, { id: 3, name: 'Charlie', email: 'charlie@example.com' }, ]; function getUserById(id: number): User | undefined { return users.find(user => user.id === id); } const user = getUserById(2); if (user) { console.log(user.name); } else { console.log('User not found'); }
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