https://issues.dlang.org/show_bug.cgi?id=19164
--- Comment #8 from Nathan S. <n8sh.second...@hotmail.com> --- >If it was only to improve already existing code, it should've been >done there locally for that code. BTW, the first version of the PR was like that, but Sebastian Wilzbach & Petar Kirov objected convincingly on the grounds that it caused needless code duplication. --