# std::experimental::ranges::IndirectlyComparable

< cpp‎ | experimental‎ | ranges

定义于头文件 `<experimental/ranges/iterator>` |  |
template < class I1, class I2, class R = ranges::equal_to<>, class P1 = ranges::identity, class P2 = ranges::identity > concept bool IndirectlyComparable = ranges::IndirectRelation<R, ranges::projected<I1, P1>, ranges::projected<I2, P2>>; |  | (范围 TS)

| 本节未完成 原因：添加描述和额外通告