To get to know DMD a bit more, I decided to implement __GENSYM__,
as touched upon in Nordlöw's post on Units of Measurements[1].
My implementation uses the mangled name of the instantiation
scope and an associated counter to create a unique string, and
works great for template default parameters (which is where I
imagine it would see use).
For completeness though, I wanted to make it work as a function
default parameter as well. Looking at how __FILE__ and __LINE__
are implemented, they use only Loc, not Scope. Is it at all
possible to get the calling scope for a function?
[1]:
http://forum.dlang.org/post/[email protected]
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