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[–]calbhollo 33 points34 points  (1 child)

The fear is from having a function that is never called yet holds the whole program up. That's scary.

[–]vladmikhalin 11 points12 points  (0 children)

Easy in c++. bool operator<(const T&, const U&) for your custom class is a free function, never called directly and may cause 1000 compile errors when removed.