[Issue 8411] core.time: No easy way to check if Duration is empty

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=8411

--- Comment #6 from github-bugzilla at puremagic.com ---
Commits pushed to newCTFE at https://github.com/dlang/druntime

https://github.com/dlang/druntime/commit/1caa1fc2c98c0fe06b8440f435cbac744fe7729c
Fix issue 8411 - add opCast!bool support for Duration.

https://github.com/dlang/druntime/commit/827fb5ddc73e94b4a55bad0d7aabfa6401b52898
Merge pull request #1793 from schveiguy/addbooldur

--