/// Example Rust file for testing the scanner.
use std::collections::HashMap;
use std::fmt::Display;
/// User account with basic information.
#[derive(Debug, Clone)]
pub struct User {
pub id: u64,
pub name: String,
email: String,
}
/// Database connection manager.
pub struct DatabaseManager {
connection_string: String,
pool: Option<String>,
}
impl DatabaseManager {
/// Create a new database manager.
pub fn new(connection_string: String) -> Self {
Self {
connection_string,
pool: None,
}
}
/// Connect to the database.
pub fn connect(&mut self) -> Result<(), String> {
println!("Connecting to {}", self.connection_string);
Ok(())
}
/// Execute a SQL query.
pub fn query(&self, sql: &str) -> Vec<String> {
vec![]
}
}
/// Service for user operations.
pub struct UserService {
db: DatabaseManager,
}
impl UserService {
/// Create a user.
pub fn create_user(&self, name: String, email: String) -> Result<u64, String> {
Ok(1)
}
/// Get user by ID.
pub fn get_user(&self, user_id: u64) -> Option<User> {
None
}
/// Delete a user.
pub fn delete_user(&self, user_id: u64) -> bool {
true
}
}
/// Trait for objects that can be validated.
pub trait Validate {
/// Validate the object.
fn validate(&self) -> Result<(), String>;
}
impl Validate for User {
fn validate(&self) -> Result<(), String> {
if self.email.contains('@') {
Ok(())
} else {
Err("Invalid email".to_string())
}
}
}
/// Validate an email address.
pub fn validate_email(email: &str) -> bool {
email.contains('@')
}
/// Entry point for the application.
fn main() {
let mut db = DatabaseManager::new("postgresql://localhost/mydb".to_string());
db.connect().unwrap();
println!("Application started");
}
