Please translate this easy snip of C++ to Lua

["Philip Plumlee" <phlip@...>]

Luists:

Ogle this awesome snip of C++:

       #define TRACE_(x) cout << #x ": " << x << endl

When you use that like this...

       TRACE_(y + z);
       TRACE_(strAnimals);
       TRACE_(__LINE__);

...the program emits this:

       y + z: 12
       strAnimals: Lemmings
       __LINE__:  69

Mighty healthy and easy to write debug statements with, huh? Saves a lot
of keystrokes, huh?

How do I do that, just as easy to call (meaning without extra "" quotes
or anything), in Lua?

-- 
  Phlip
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