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Updated readme.

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Steffen Schuemann 2018-09-29 14:07:51 +02:00
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README.md
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@ -122,7 +122,11 @@ using fstream = ghc::filesystem::fstream;
Now you have e.g. `fs::ofstream out(somePath);` and it is either the wrapper or
the C++17 `std::ofstream`.
Be aware, as a header-only library, it is not hiding the fact, that it
Note, that on MSVC this detection only works starting from version 15.7 on and when setting
the `/Zc:__cplusplus` compile switch, as the compiler allways reports `199711L`
without that switch ([see](https://blogs.msdn.microsoft.com/vcblog/2018/04/09/msvc-now-correctly-reports-__cplusplus/)).
Be aware too, as a header-only library, it is not hiding the fact, that it
uses system includes, so they "pollute" your global namespace.
There is a version macro `GHC_FILESYSTEM_VERSION` defined in case future changes