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Go Brain Teasers »

Think you know Go? These 25 simple Go programs will challenge your understanding of Go. Go may appear simple, but there are always quirks. Learn from these quirks and be a better programmer. Avoid common mistakes and level up your Go skills. We geeks love puzzles and solving them, and now you can learn deeper about Go while having fun and impressing your co-workers!

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Go Brain Teasers: Exercise Your Mind
July 08, 2020

On this day in 1947, reporters broadcast news of a UFO crash-landing in Roswell, New Mexico. Was it swamp gas? A meteor? Experimental aircraft? Time traveller trying to avoid 2020 altogether? It seemed like a simple story at the time, but the mystery lingers over 70 years later.

Go is a simple language, but it's also maybe not as simple as you think. Explore Go's subtle nuances and learn new tricks and tips today with Go Brain Teasers: Exercise Your Mind, now available from pragprog.com/titles/d-gobrain.

Come and get it, and solve a few mysteries of your own today.

Go Brain Teasers: Exercise Your Mind

At the beginning of each chapter, the author will show you a short Go program and will ask you to guess the output. The possible answers can be:

  • Won't compile
  • Panic
  • Deadlock
  • Some output (e.g., [1 2 3])

There's a lot of research showing that people who make mistakes during the learning process learn better than people who don't. If you use this approach at work when fixing bugs, you'll find you enjoy bug hunting more and become a better developer after each bug you fix.

Many of these brain teasers are from quizzes given at conferences and meetups. People highly enjoy the brain teasers, and they tend to liven up the room.

Before moving on to the answer and the explanation, go ahead and guess the output. After guessing the output, run the code and see the output yourself, then proceed to read the solution and the explanation. Miki Tebeka has been teaching programming for many years and finds this course of action to be highly effective.

Now available from pragprog.com/titles/d-gobrain.

This work was written and produced entirely by the author. We are proud to be distributing it.

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