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Learn how to build production-ready Rust applications using only the "friendly" 15% of the language in this 40-minute conference talk from RustLab. Discover a pragmatic approach to Rust development that avoids complex features like generics, trait bounds, interior mutability, lifetimes, and smart pointers while still delivering mission-critical, high-performance infrastructure software. Explore a real-world case study of a rock-solid system managing employee lifecycles and user data synchronization across 20+ proprietary systems for a 1,400-person hospital, maintaining flawless uptime for over three years using just SQLite, Rocket, and minimal dependencies. Understand the "janitor approach" for handling unavoidable advanced concepts like async/await and lifetime annotations with partial knowledge and practical solutions. Examine how this simplified feature selection aligns naturally with application-level development while maintaining Rust's safety and performance benefits. Gain insights into building systems inspired by the "Hundred-Year Web Service" philosophy that prioritizes simplicity, stability, and transparency over clever abstractions, making code reliable, evolvable, and accessible to developers with high-level imperative programming backgrounds.
