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All Lessons
Free Lessons (3)
Before We Begin
Why This Course?
Course Structure
Puzzles
Puzzle 1: A Number π
Puzzle 1 Explanation: Identifiers
Puzzle 2: Empty-handed
Puzzle 2 Explanation: Map Type
Puzzle 3: When in Kraków
Puzzle 3 Explanation: ASCII Encoding
Puzzle 4: I’ve Got Nothing
Puzzle 4 Explanation: Go Types
Puzzle 5: A Raw Diet
Puzzle 5 Explanation: Raw Strings
Puzzle 6: Are We There Yet?
Puzzle 6 Explanation: Timeout
Puzzle 7: Can Numbers Lie?
Puzzle 7 Explanation: NaN
Puzzle 8: Sleep Sort
Puzzle 8 Explanation: Closure
Puzzle 9: Just in Time
Puzzle 9 Explanation: Go Time API
Puzzle 10: A Simple Append
Puzzle 10 Explanation: Simple Append
Puzzle 11: What’s in a Log?
Puzzle 11 Explanation: Go Log
Puzzle 12: A Funky Number
Puzzle 12 Explanation: Go spec2
Puzzle 13: Free-range Integers
Puzzle 13 Explanation: Go Range
Puzzle 14: Multiple Personalities
Puzzle 14 Explanation: Short Variables
Puzzle 15: A Tale of Two Cities
Puzzle 15 Explanation: Length of Each Variable
Puzzle 16: What’s in a Channel?
Puzzle 16 Explanation: Channel Capacity
Puzzle 17: An **Int**eresting String
Puzzle 17 Explanation: String Conversion
Puzzle 18: A Job to Do
Puzzle 18 Explanation: Go Job
Puzzle 19: To Err or Not to Err
Puzzle 19 Explanation: Go Error
Puzzle 20: What’s in a String?
Puzzle 20 Explanation: Go Rune
Puzzle 21: A Double Take
Puzzle 21 Explanation: init Is Special
Puzzle 22: Count Me a Million
Puzzle 22 Explanation: Go Count
Puzzle 23: Who’s Next?
Puzzle 23 Explanation: Go Next
Puzzle 24: Fun with Flags
Puzzle 24 Explanation: Go Flag
Puzzle 25: You Have My Permission
Puzzle 25 Explanation: Go iota
Wrapping Up
Conclusion
Go Brain Teasers
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Puzzle 19: To Err or Not to Err
Puzzle 19: To Err or Not to Err
Exercise your mind by solving a Go series puzzle.
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Guess the output
Guess the
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