boost::urls::pct_string_view::pct_string_view

constexpr
pct_string_view() = default;

pct_string_view(std::nullptr_t) = delete;

pct_string_view(core::string_view s);

constexpr
pct_string_view(pct_string_view const& other) = default;

template<std::convertible_to<core::string_view> String>
requires std::is_convertible<
                String,
                core::string_view
                    >::value
constexpr
pct_string_view(String const& s);

pct_string_view(
    char const* s,
    std::size_t len);