Use `requires`-clauses for `pair` and `tuple` since C++20 #4819

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StephanTLavavej merged 3 commits intomicrosoft:mainfrom frederick-vs-ja:requires-for-pair-tuple

Jul 11, 2024

+38-53

Commits on Jul 7, 2024

Use requires for pair and tuple since C++20
frederick-vs-ja
committed
Unconditionally use is_swappable<T>::value for expected
frederick-vs-ja
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Commits on Jul 8, 2024

Give up changes for tuple constructors due to LLVM-59827
frederick-vs-ja
committed