oliverdavies.uk/content/node.b5e6b353-30b6-42d7-a8f1-ed202131a6f6.yml

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title:
  - value: 'What are err, req and res?'
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  - value: '2024-08-16T00:00:00+00:00'
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      <p>Today, I was at another School of Code hackathon event, mentoring a team of three Developers as they planned and built an application within a day.</p>

      <p>During the day, we looked at some example documentation that included variable names like <code>err</code>, <code>req</code>, and <code>res</code>.</p>

      <p>I don't like short variable names like this.</p>

      <p>I'd suggest calling them what they are - <code>error</code>, <code>request</code> and <code>response</code>.</p>

      <p>This makes the code clearer and easier to read and understand, particularly if you aren't using types and need additional context.</p>

      <p>Readability is important as <a href="/daily/2024/08/07/people-read-more-code-than-they-write">people read more code than they write</a>.</p>

              
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      <p>Today, I was at another School of Code hackathon event, mentoring a team of three Developers as they planned and built an application within a day.</p>

      <p>During the day, we looked at some example documentation that included variable names like <code>err</code>, <code>req</code>, and <code>res</code>.</p>

      <p>I don't like short variable names like this.</p>

      <p>I'd suggest calling them what they are - <code>error</code>, <code>request</code> and <code>response</code>.</p>

      <p>This makes the code clearer and easier to read and understand, particularly if you aren't using types and need additional context.</p>

      <p>Readability is important as <a href="/daily/2024/08/07/people-read-more-code-than-they-write">people read more code than they write</a>.</p>

              
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