https://issues.dlang.org/show_bug.cgi?id=18239
--- Comment #2 from Nathan S. <n8sh.second...@hotmail.com> --- (In reply to Nathan S. from comment #1) > Could also use wmemset when T.sizeof == wint_t.sizeof Unfortunately core.stdc.wchar_.wmemset isn't marked as pure so this would cause some tests to fail. --