Re: Using std::basic_string the extensible way
Stefan Chrobot <jan_ek@op.pl> wrote:
Hello!
I'm writing a class that contains a string. But I decided to make it
more extensible and turn it into a class template:
template<typename CharT>
class My
{
std::basic_string<CharT> text;
};
How do I operate on such a string, so that it will work for any valid
instantiation of basic_string? For example, I'd like to append some text
to the end of the string or check if the first letter is lowercase.
Currently I'm doing:
text += "some other text";
For wstring I should probably do:
test += L"some other text";
How do I do it in a generic way?
Stefan Chrobot
any basic_string or a
basic_string<CharT,std::char_traits<CharT>,std::allocator<CharT> > ?
basic_string has three template parameters so any would require
three template parameters.
template <class CharT.class Tr = std::char_traits<CharT>,
class Alloc = std::allocator<CharT> >
struct My
{
typedef typename std::basic_string<<CharT, Tr, Alloc>
string_type;
void foo(const string_type &x)
{
text += x;
}
string_type text;
};
this does both.
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