Tokio Concurrency Patterns This skill provides advanced concurrency patterns for building scalable async applications with Tokio. Fan-Out/Fan-In Pattern Distribute work across multiple workers and collect results: Pipeline Processing Chain async processing stages: Rate Limiting Control operation rate using token bucket or leaky bucket: Parallel Task Execution with Join Execute multiple tasks in parallel and wait for all: Coordinated Shutdown with CancellationToken Manage hierarchical cancellation: Async Trait Patterns Work around async trait limitations: Shared State Management Safe concurren…