Simplify

last modified: October 23, 2025

It's Time to Use #pragma once

Posted on 2019-07-13— C++, Improve your Code, Learn

I explain why I prefer #pragma once over macro header guards and how it prevents subtle build errors and wasted debugging time. I’ll show examples, common pitfalls, and practical steps to replace guards in existing projects — read on if you want a simple, low-risk improvement.

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