Go

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Last Update	09/14/2026
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Section 1: Getting Started

5Lessons ·
- 2: Anatomy of a Go Program
  
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- 4: Go Workspaces
  
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Section 2: Core Syntax

11Lessons ·
- 10: Switch Statements
  
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Section 3: Functions and Methods

12Lessons ·
- 19: Variadic Functions
  
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- 26: Error Wrapping with fmt.Errorf and errors.Is/As
  
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- 27: Defer, Panic, and Recover
  
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Section 5: Packages and Tooling

5Lessons ·
- 40: Go Modules and Dependency Management
  
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Section 7: Building Services

8Lessons ·
- 57: Building a CLI Tool with Cobra
  
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Section 8: Advanced Go

6Lessons ·
- 59: Reflection in Go
  
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Section 13: More Standard Library Practice

5Lessons ·
- 91: The io.Reader and io.Writer Interfaces
  
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Section 18: Package strings and strconv

5Lessons ·
- 112: strings.Builder for Efficient Concatenation
  
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- 116: strings.Reader and Working with Readers
  
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Section 20: Package time

4Lessons ·
- 124: Timers and Tickers
  
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Section 26: Package errors In Depth

4Lessons ·
- 150: Wrapping Errors with %w
  
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- 151: Custom Error Types Revisited
  
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Section 30: More Practice Exercises

4Lessons ·
Section 32: Generics Deep Dive (Go 1.18+)

4Lessons ·
- 172: Generic Functions Revisited
  
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Section 35: Package math and unicode

4Lessons ·
- 186: Unicode Handling with the unicode Package
  
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Section 36: Package path and filepath

3Lessons ·
- 188: path.Join and path.Clean
  
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Section 44: Building CLIs and TUIs

3Lessons ·
- 215: Building Terminal UIs with Bubble Tea
  
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Section 49: Go Interfaces Deep Dive

5Lessons ·
- 239: Empty Interface Usage and any
  
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