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Premature DIY can lead to the wrong abstractions. Sometimes code looks similar but actually isn't.

• samtho 2y ago
  At my first big corporate jobs, I got to work on a codebase that was nothing but premature DRY’d code, but I didn’t know it at the time. As someone who was self taught, and suffered from imposter syndrome as many of us do/did in that situation, I thought I was missing something huge until I was talking to a senior developer and these strange design decisions came up, to which he said something like > Yeah, that was written by <ex-engineer> and he couldn't abstract his way out of a paper bag I guess the real lessons were the crappy decisions that someone else made along the way.