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Documentation Mastery: The Developer's Gift to Future Self

Good documentation is a love letter to your future self and your teammates. Here's how I learned to write documentation that actually helps instead of just taking up space.

Tuesday, March 19, 2024 · 7 min read · By Kevin Moe Myint Myat

I used to think documentation was a waste of time. I’d write code and move on, convinced that the code was self-explanatory. Then I had to maintain my own code six months later and realized I was wrong.

      The Documentation Mindset
    

    
      Documentation isn't about explaining what the code does—it's about
      explaining why it does it that way. It's about capturing the
      decisions, the context, and the reasoning that future developers
      (including yourself) will need.
    

    
      
      
        Documentation: the developer's communication bridge
      

    

    
      The Why, Not the What
    

    
      I focus on documenting the "why" behind decisions, not the "what" of
      implementation. Why did I choose this approach? What alternatives did
      I consider? What assumptions am I making?
    

    
      The Living Document
    

    
      Documentation should evolve with your code. I update it as I make
      changes, add examples as I discover edge cases, and refine it based on
      feedback from teammates.
    

    
      
        What's your approach to documentation?
      

      
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