in reply to Re^2: Generate the perl sequence 1, 11, 111, ....
in thread Generate the perl sequence 1, 11, 111, ....
where that just says "make an arbitrarily long list of 1's and reduce them using concatenation (the ~ operator), returning partial results in a list".
I personally believe that I need some clarifications: I understand clearly that the backslash implements the "returning partial results" thingie, but I am not sure about is semantics. In particular, is it a metaoperator modifying any binary operator, and if so, how? Or is really [\ ] a distinct metaoperator wrt [ ], with the former being the "reduction returning partial results" and the latter simply "reduction?"
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