Daniel Krügler d2a2320820 Fix partial specialization problem for filesystem for Visual Studio (#2957) ...

* #2954: Provide std::conjunction and std::disjunction substitutes

* #2954: Use conjunction and disjunction substitute to make formatter specializations for ranges and maps more robust (especially for Visual Studio compiler family)

* #2954: As workaround for older MSVC compilers split formatter<std::filesystem::path> partial template specialization into two explicit specialization.

* 2954: Add test case

* Provide simplified implementations of conjunction and disjunction

* Remove workaround explicit specializations if the partial specialization would cause an ambiguity error

* Eliminate extra-test and merge it into existing std-test instead. Add conditionals for filesystem::path testing that does not run into the ambiguity problem.

2022-07-03 11:06:54 -07:00

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fmt

Fix partial specialization problem for filesystem for Visual Studio (#2957)

2022-07-03 11:06:54 -07:00