Interview Trap: Struct not updating when modifying in list (in C#)? @dnfvideo
Interview Trap: Struct not updating when modifying in list (in C#)? @dnfvideo
Uploaded May 2026 | Updated September 2026, 3 weeks ago
Interview Trap: Why Isn't My Struct Being Updated When I Modify It in the List?

The interviewer shows you a code and asks — why is the X value still 1 after we set it to 5?

Most developers say — we set X to 5, so it should print 5. It prints 1. Let me explain what is struct, how it works, difference between struct and class and how to fix this issue.

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Interview Trap: Struct not updating when modifying in list (in C#)?

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