Feature/experimental string view#1
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The usage needs to be turned on by setting the special define LMDBXX_USE_EXPERIMENTAL_STRING_VIEW .
And adding documentation for alternative modes and type wrapper.
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Thanks for the PR! I don't see anything wrong with the pull request itself. My only hesitation is that it makes the code slightly messier, and we have to remember to always use lmdb::string_view instead of std::string_view. Are there a lot of installations of compilers with this experimental header, but without C++17 support? |
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Depends on the industry you are working for, sometimes you need to deal with toolchains based on FOSS landscape from 2016. |
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This adds possibility to use the C++17 variant without need of -std=c++17, virtually any GCC version from 2015 on should be sufficient.
The feature compatibility of std::experimental::string_view is queried, however there might be a gap in the first months of 2014 where the header did not exist yet. But anyhow, the impact from that is probably only a confusing error message about missing header, and also >>5y old compilers can be probably ignored.