Friends | |
| template<typename I > | |
| constexpr auto | operator!= (I const &, unreachable_sentinel_t) noexcept -> bool requires weakly_incrementable< I > |
| template<typename I > | |
| constexpr auto | operator!= (unreachable_sentinel_t, I const &) noexcept -> bool requires weakly_incrementable< I > |
| template<typename I > | |
| constexpr auto | operator== (I const &, unreachable_sentinel_t) noexcept -> bool requires weakly_incrementable< I > |
| template<typename I > | |
| constexpr auto | operator== (unreachable_sentinel_t, I const &) noexcept -> bool requires weakly_incrementable< I > |