Every Swift developer learns:
- for-in
- while
- repeat-while
But production code tells a different story.
Experienced engineers focus less on "making it work" and more on writing loops that are easy to read, maintain, and reason about.
In this article, I cover:
- When for-in is the best choice
- Where while still makes sense
- Why repeat-while is rarely needed
- Common mistakes I see in real codebases
- What senior engineers typically prefer
Read the full guide:
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