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From the “comma ok” idiom all the way down to the hmap structure: how Go looks up keys under the hood, why maps are not goroutine-safe, and which synchronization strategy to pick between sync.Mutex, sync.RWMutex and sync.Map.
Learn how to diagnose and optimize the performance of your Go applications using the native pprof tool, identifying CPU bottlenecks and excessive memory allocations.
Discover the best practices for error handling in Go. From the idiomatic use of error values to unwrapping with errors.Is and errors.As.
