I built guardonce[1] to help mitigate complaints that #pragma once was non-standard. If you can easily convert back to include guards, you can worry less about

I built guardonce[1] to help mitigate complaints that #pragma once was non-standard. If you can easily convert back to include guards, you can worry less about what compilers you might support in the future and just consider the compilers you support right now. [1]: https://github.com/cgmb/guardonce https://github.com/cgmb/guardonce