Re: Storing Arrays in Maps (Or, alternatively, convert hex to dec)

Mike Wahler wrote:

> 
> "Hal Vaughan" <hal@[EMAIL PROTECTED]
> wrote in message
> news:0h4Cj.11565$wM2.6305@[EMAIL PROTECTED]
>>I need to store 2 - 4 values that I have in hex in a map.  I've tried
>> storing an int[] in a map and can't make it work.
> 
> Arrays can't be stored in standard library containers.
> They're not copy-constructible or assignable.
> 
>> As of now, the only way
>> I can think of is to store it as a string, like "0x01 0xDF".  But then
>> when
>> I get it out of the map, I don't see how to convert it to one int for
>> each specified hex number.
> 
> #include <ios>
> #include <iostream>
> #include <sstream>
> #include <string>
> 
> int main()
> {
>     std::string s("0x01 0xDF");
>     std::istringstream iss(s);
>     int a = 0;
>     int b = 0;
>     iss >> std::hex >> a >> b;
>     std::cout << a << ' ' << b << '\n';
>     return 0;
> }

There's a lot I'm still getting used to and I didn't realize hex could be
used that way.  Every example I saw like that printed the data out through
cout, instead of storing it in a variable.

Thanks!

Hal