On 07/01/2016 05:12 PM, Ben Boeckel wrote: > 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.
Since you already have "bool SystemTools::GetEnv(const char* key, std::string& result)", another option would be to use it everywhere and maybe introduce something like "bool SystemTools::HasEnv(const char* key)" for those several cases where you only need to check the existence. Regards, Mike -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake-developers
