std::experimental::ranges::IndirectlyComparable
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                    < cpp | experimental | ranges
                    
                                                            
                    | Defined in header  <experimental/ranges/iterator> | ||
| template <class I1, class I2, class R = ranges::equal_to<>,           class P1 = ranges::identity, class P2 = ranges::identity> | (ranges TS) | |
| This section is incomplete Reason: add description and extra caveats |