Book: The Complete Guide to Go Programming Also by me: Hexagonal Architecture in Go — the companion book in the Thinking in Go series My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub You know the loop. A test fails on the third goroutine out of fifty. You sprinkle fmt.Println("here", x) through the code, run it, read the wall of output, add three more prints, run it a...