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- /// A simple struct for user data
- pub struct User {
- name: String,
- email: String,
- }
- /// Login function validates credentials
- pub fn login(user: &str, pass: &str) -> Result<(), Error> {
- Ok(())
- }
- /// User trait defines user-related behaviors
- pub trait UserTrait {
- fn get_name(&self) -> String;
- }
- /// Impl block for User
- impl User {
- pub fn new(name: String) -> Self {
- Self { name, email: String::new() }
- }
- }
- /// Constant for maximum retry attempts
- pub const MAX_RETRIES: u32 = 3;
- /// Static variable for tracking total logins
- pub static mut TOTAL_LOGINS: u32 = 0;
- /// Type alias for user ID
- pub type UserId = String;
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