#[derive(Debug)]
struct Developer {
    name: String,
    specialization: Vec<Expertise>,
    current_focus: String,
    achievements: Vec<String>,
}

impl Developer {
    fn new() -> Self {
        Self {
            name: "Shradesh Jain".to_string(),
            specialization: vec![
                Expertise::new("Blockchain", Level::Expert, vec![
                    "Solana Protocol Development",
                    "DeFi Architecture", 
                    "Smart Contract Security",
                    "AMM & DEX Implementation",
                    "Token Vesting Systems"
                ]),
                Expertise::new("Rust", Level::Advanced, vec![
                    "Anchor Framework", 
                    "Pinocchio Framework",
                    "Solana Program Library",
                    "Cryptographic Implementations"
                ]),
                Expertise::new("Full-Stack", Level::Proficient, vec![
                    "TypeScript/JavaScript",
                    "Next.js & React",
                    "NestJS Backend",
                    "PostgreSQL & Prisma"
                ]),
                Expertise::new("DevOps", Level::Intermediate, vec![
                    "Docker Containerization",
                    "CI/CD Pipelines",
                    "Cloud Deployment"
                ]),
            ],
            current_focus: "Building production-ready DeFi protocols on Solana".to_string(),
            achievements: vec![
                "🏆 Built complete AMM protocol with 100% test coverage".to_string(),
                "🔐 Implemented secure cryptographic vault systems".to_string(),
                "📊 Created comprehensive DeFi protocol collection".to_string(),
                "🌐 Delivered full-stack applications end-to-end".to_string(),
            ],
        }
    }
}

fn main() {
    let dev = Developer::new();
    println!("🚀 {} - Blockchain Engineer Initialized!", dev.name);
    println!("🎯 Current Mission: {}", dev.current_focus);
    
    for achievement in dev.achievements {
        println!("{}", achievement);
    }
}

// Output:
// 🚀 Shradesh Jain - Blockchain Engineer Initialized!
// 🎯 Current Mission: Building production-ready DeFi protocols on Solana
// 🏆 Built complete AMM protocol with 100% test coverage
// 🔐 Implemented secure cryptographic vault systems
// 📊 Created comprehensive DeFi protocol collection
// 🌐 Delivered full-stack applications end-to-end