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feature/spaceship: Clause 28: Localization, Clause 29: Input/output #1593

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merged 3 commits into from
Feb 3, 2021
Merged

feature/spaceship: Clause 28: Localization, Clause 29: Input/output #1593

merged 3 commits into from
Feb 3, 2021

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Works towards #62.

@statementreply statementreply requested a review from a team as a code owner January 28, 2021 16:12
@CaseyCarter CaseyCarter added cxx20 C++20 feature spaceship C++20 operator <=> labels Jan 28, 2021
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CaseyCarter approved these changes Jan 28, 2021
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CaseyCarter added a commit to CaseyCarter/STL that referenced this pull request Jan 28, 2021
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Update LLVM submodule reference
5c2cde4 
... to get a test fix to support microsoft#1593.
@CaseyCarter CaseyCarter mentioned this pull request Jan 28, 2021
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FYI: the test failure is a libc++ test for directory_entry's comparison operators that expects actual member functions (e.g., operator<=) to be present. I've pushed a fix upstream, and opened #1594 to update our LLVM submodule reference to get the fixed test. Once #1594 merges, we'll need to merge it to feature/spaceship which we can then merge into this PR.

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Oops - I meant to "request changes" for my directory_entry::operator< comment.

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Moving this to final review despite the test failure which is addressed by #1594. If there is a problem with #1594 and we absolutely must merge this first, we can skip the failing libc++ test in this PR and re-enable in #1594.

StephanTLavavej
StephanTLavavej approved these changes Jan 30, 2021
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@@ -3641,6 +3663,10 @@ namespace filesystem {
uintmax_t capacity;
uintmax_t free;
uintmax_t available;

#if _HAS_CXX20
_NODISCARD friend constexpr bool operator==(const space_info&, const space_info&) noexcept = default;
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I observe that this says constexpr and noexcept which are implied by the Standard but not depicted there. I think this is fine (I am somewhat torn between "generally avoid unnecessary code" and "this is a useful reminder"), no change requested.

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@StephanTLavavej StephanTLavavej merged commit e68b14a into microsoft:feature/spaceship Feb 3, 2021
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Thanks for spaceship-izing locales and I/O so we can properly communicate with aliens! 👽 💬 📡

@statementreply statementreply deleted the spaceship-clause-29 branch April 17, 2021 10:54
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@CaseyCarter CaseyCarter CaseyCarter approved these changes

@StephanTLavavej StephanTLavavej StephanTLavavej approved these changes

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@statementreply @CaseyCarter @StephanTLavavej