{
{
const char* s = "12345678901234";
+ std::basic_string s1(s, s+10); // Can't use {} here
+ using S = decltype(s1); // what type did we get?
+ static_assert(std::is_same_v<S::value_type, char>, "");
+ static_assert(std::is_same_v<S::traits_type, std::char_traits<char>>, "");
+ static_assert(std::is_same_v<S::allocator_type, std::allocator<char>>, "");
+ assert(s1.size() == 10);
+ assert(s1.compare(0, s1.size(), s, s1.size()) == 0);
+ }
+
+ {
+ const char* s = "12345678901234";
std::basic_string s1{s, s+10, std::allocator<char>{}};
using S = decltype(s1); // what type did we get?
static_assert(std::is_same_v<S::value_type, char>, "");