Range-v3 Range algorithms, views, and actions for the Standard Library |

### - e -

- emplace() : ranges::optional< T >
- emplace_deref() : ranges::optional< T >
- empty() : ranges::adaptor_base, ranges::view_interface< Derived, Cardinality >
- end() : ranges::common_view< Rng, bool >, ranges::drop_exactly_view< Rng >, ranges::drop_last_view< Rng, detail::drop_last_view::mode_bidi >, ranges::drop_view< Rng >, ranges::reverse_view< Rng >, ranges::tail_view< Rng >, ranges::take_view< Rng >, ranges::tokenize_view< Rng, Regex, SubMatchRange >, ranges::view_facade< Derived, Cardinality >
- equal() : ranges::adaptor_base