proposal for ztring_view

zstring_view.cpp

#include <string>
#include <string_view>

struct zstring_view : public std::string_view {
    zstring_view() {}
    zstring_view(std::string_view s) = delete;
    zstring_view(const char* s) : std::string_view(s) {}
    zstring_view(const std::string& s) : std::string_view(s) {}
    
    operator const char* ()const { return data(); }
    operator std::string()const { return std::string(begin(), end()); }

    const char* c_str()const { return data(); }
};

void foo_string(const std::string& s) {}
void foo_string_view(std::string_view s) {}

int main()
{
    std::string myString = "myString";
    std::string_view myStringView = "myStringView";
    zstring_view a("a");
    zstring_view b;
    b = myString;
    b = a;
    //zstring_view c = myStringView; // ERROR
    // b = myStringView; // ERROR
    foo_string(a);
    foo_string_view(a);
}