[Issue 13253] use more scoped imports in phobos

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=13253

Andrei Alexandrescu <andrei at erdani.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrei at erdani.com

--- Comment #13 from Andrei Alexandrescu <andrei at erdani.com> ---
https://github.com/dlang/phobos/pull/5948

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