[Issue 7128] Cartesian product of ranges

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=7128

--- Comment #19 from bearophile_hugs at eml.cc ---
This pull has fixed the most glaring problems of cartesianProduct:
https://github.com/D-Programming-Language/phobos/pull/2276

I leave this ER open for the "repeat" argument request (compile time argument
or run-time one), and for the desire of benchmarking.

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