[cmake-developers] [PATCH] Improve encoding handling on Windows

[Ben Boeckel]

On Fri, Jul 01, 2016 at 16:44:32 +0300, Dāvis Mosāns wrote:
> 2. change GetEnv to return std::unique_ptr<std:string> which will be
>   automatically deleted once out of scope and we still can check if there
>   wasn't such env if it's empty.

Hrm. I'd rather use std::optional than relying on implicit nullptr
semantics.

--Ben