[Issue 16595] thisExePath resolves symlinks but this isn't mentioned in docs

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16595

--- Comment #4 from Timothee Cour <timothee.cour2 at gmail.com> ---
Good point, I just opened a question to figure out if we can even do that:

http://stackoverflow.com/questions/41190968/how-to-get-path-to-currently-running-executable-without-resolving-symlinks-on

still though, we should have a cross-platform function that implements
`realPath` (that  one should be doable); and a function to get
thisExePathUnresolved (that is maybe not available on all platforms)

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