inline SPROUT_CONSTEXPR sprout::basic_string<T, N1 + N2, Traits>
operator+(sprout::basic_string<T, N1, Traits> const& lhs, sprout::basic_string<T, N2, Traits> const& rhs) {
return sprout::detail::string_concat(
lhs, lhs.size(),
rhs, rhs.size(),
sprout::make_index_tuple<N1 + N2>::make()
);
}
inline SPROUT_CONSTEXPR sprout::basic_string<T, (M - 1) + N, Traits>
operator+(T const (& lhs)[M], sprout::basic_string<T, N, Traits> const& rhs) {
return sprout::detail::string_concat(
lhs, sprout::char_traits<T>::length(lhs),
rhs, rhs.size(),
sprout::index_range<0, (M - 1) + N>::make()
);
}
inline SPROUT_CONSTEXPR sprout::basic_string<T, 1 + N, Traits>
operator+(T const& lhs, sprout::basic_string<T, N, Traits> const& rhs) {
return sprout::detail::string_concat(
lhs,
rhs, rhs.size(),
sprout::index_range<0, 1 + N>::make()
);
}
inline SPROUT_INITIALIZER_LIST_CONSTEXPR sprout::basic_string<T, N, Traits>
operator>>(sprout::basic_string<T, N, Traits> const& lhs, std::initializer_list<T> rhs) {
return sprout::detail::string_lshift(
lhs, lhs.size(),
rhs, rhs.size(),
sprout::make_index_tuple<N>::make()
);
}
inline SPROUT_CONSTEXPR sprout::basic_string<T, N, Traits>
operator>>(sprout::basic_string<T, N, Traits> const& lhs, T const* rhs) {
return sprout::detail::string_lshift(
lhs, lhs.size(),
rhs, Traits::length(rhs),
sprout::make_index_tuple<N>::make()
);
}
inline SPROUT_CONSTEXPR sprout::basic_string<T, (M - 1) + N, Traits>
operator+(T const (& lhs)[M], sprout::basic_string<T, N, Traits> const& rhs) {
typedef sprout::char_traits_helper<Traits> traits_type;
return sprout::detail::string_concat(
lhs, traits_type::length(lhs, M - 1),
rhs, rhs.size(),
sprout::make_index_tuple<(M - 1) + N>::make()
);
}