[Issue 23385] Consider making currTime @nogc and nothrow

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23385

--- Comment #1 from Andrej Mitrovic <andrej.mitrovich at gmail.com> ---
This is probably impossible to fix since various platforms have different types
of errors and some should be recoverable.

Honestly D really needs an escape hatch from using exceptions in Phobos.

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