Function front

example/cacheHierarchy/fkYAML/node.hpp:2395–2397

@brief Get the first element. @return The first element.

    /// @brief Get the first element.
    /// @return The first element.
    const_reference front() const noexcept {
        return *mp_str;
    }

    /// @brief Get the last element.
    /// @return The last element.