[Issue 10240] It should be possible to check exists and isDir/isFile with a single stat call

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=10240

--- Comment #4 from ZombineDev <petar.p.kirov at gmail.com> ---
> I believe the right solution add a function akin to C++17's file_status (http://en.cppreference.com/w/cpp/experimental/fs/file_status)

Here I meant this function:
http://en.cppreference.com/w/cpp/experimental/fs/status

as file_status is a struct.

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