gistfile1.txt

class encoded
{
    string_view str_;

public:
    explicit
    encoded(string_view s)
        : str_(s)
    {
    }

    string_view
    get() const noexcept
    {
        return str_;
    }
};

class decoded
{
    string_view str_;

public:
    explicit
    decoded(string_view s)
        : str_(s)
    {
    }

    string_view
    get() const noexcept
    {
        return str_;
    }
};

class string_param
{
    string_view str_;
    bool encoded_;

public:
    string_param(
        string_view s)
        : str_(s)
        , encoded_(false)
    {
    }

    string_param(
        decoded s)
        : string_param(s.get())
    {
    }

    string_param(
        encoded s)
        : str_(s.get())
        , encoded_(true)
    {
    }

    bool
    is_encoded() const noexcept
    {
        return encoded_;
    }

    string_view
    get() const noexcept
    {
        return str_;
    }
};