I'm new to Ruby.  Is there such thing as a C++ style (and most others)
for loop in Ruby?  What I mean by that is:

for( init, while-condition, increment ) { function-here }

I know I can do that with a while loop, but I enjoy the compactness of
the above statement.  There are many times where Ruby's for-each loops
just don't do the trick.

Also, is there anything like i++ or do I always have to do i=i+1 ?
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