[PATCH] D53828: Implement P0972R0: <chrono> zero(), min(), and max() should be noexcept

[Marshall Clow via Phabricator]

mclow.lists created this revision.
mclow.lists added reviewers: ldionne, EricWF.

This paper <https://wg21.link/P0927>  is up for a vote in San Diego next week.

Note: I marked the calls as `noexcept` all the time, not just for C++20 - because we have freedom to do that.
However, the tests just check when we're building for C++20.


https://reviews.llvm.org/D53828

Files:
  include/chrono
  test/std/utilities/time/time.duration/time.duration.special/max.pass.cpp
  test/std/utilities/time/time.duration/time.duration.special/min.pass.cpp
  test/std/utilities/time/time.duration/time.duration.special/zero.pass.cpp
  test/std/utilities/time/time.point/time.point.special/max.pass.cpp
  test/std/utilities/time/time.point/time.point.special/min.pass.cpp
  test/std/utilities/time/time.traits/time.traits.duration_values/max.pass.cpp
  test/std/utilities/time/time.traits/time.traits.duration_values/min.pass.cpp
  test/std/utilities/time/time.traits/time.traits.duration_values/zero.pass.cpp

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