[Issue 12007] cartesianProduct doesn't work with ranges of immutables

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=12007

bearophile_h...@eml.cc changed:

           What    |Removed                     |Added
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            Summary|cartesianProduct does'nt    |cartesianProduct doesn't
                   |work with ranges of         |work with ranges of
                   |immutables                  |immutables

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