Christos Stratopoulos b607c4da9e Make C++ string_view detection work with MSVC ... The existing method to check for support of C++17 `string_view` does not work on MSVC, see [here](https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus?view=vs-2019) Instead we replace with the [feature test macro](https://en.cppreference.com/w/User:D41D8CD98F/feature_testing_macros) for `string_view`, which is `__cpp_lib_string_view`. This should work on all platforms and is arguably more precise.		2019-10-31 14:44:19 -04:00
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jwt	Make C++ string_view detection work with MSVC	2019-10-31 14:44:19 -04:00