Matches containers that can be cleared and inserted into. More...

Concept definition

        template<typename T>
        concept mutable_container =
            requires(T c) {
                typename T::value_type;
                c.end();
                c.clear();
                c.insert(c.end(), std::declval<const typename T::value_type &>());
            } && !std::is_constructible_v<T, std::string> && !std::is_constructible_v<T, std::wstring>

Detailed Description

Matches containers that can be cleared and inserted into.

String types are excluded even though they satisfy the operations, since they are handled as scalars rather than as sequences of characters.