On Thu, Jul 7, 2011 at 8:19 AM, eric <cneric12lin0@xxxxxxxxx> wrote: > Dear Advanced C++ programers: > > from book (c++ cookbook), chapter 4, section 3: Storing Strings in a > Sequence > --------- > #include <iostream> > #include <vector> > #include <exception> > > using namespace std; > > int main() { > > char carr[] = {'a', 'b', 'c', 'd', 'e'}; > > cout << carr[100000] << '\n'; // Whoops, who knows what's going > // to happen > vector<char> v; > v.push_back('a'); > v.push_back('b'); > v.push_back('c'); > v.push_back('d'); > v.push_back('e'); > > try { > cout << v.at(10000) << '\n'; // at checks bounds and throws > } catch(out_of_range& e) { // out_of_range if it's invalid > cerr << e.what() << '\n'; > } > } > ---------------------------------------------------------------------- > my g++ response > ----------------- > eric@eric-laptop:~/cppcookbook/download$ g++ 4-7.cpp > 4-7.cpp: In function ‘int main()’: > 4-7.cpp:20:11: error: expected type-specifier before ‘out_of_range’ > 4-7.cpp:20:23: error: expected ‘)’ before ‘&’ token > 4-7.cpp:20:23: error: expected ‘{’ before ‘&’ token > 4-7.cpp:20:25: error: ‘e’ was not declared in this scope > 4-7.cpp:20:26: error: expected ‘;’ before ‘)’ token > ------------------------------------------------------------------------------------- > the code can be download from > http://examples.oreilly.com/9780596007614/ > that mean it was tested success in some platform(vc++ in xp), so > please help, thanks a lot in advance, Eric > Eric - So far all of your cookbook questions are answerable by a C++ forum, of which gcc-help is not. gcc-help is for questions regarding gcc itself and not any particular programming language. I could give you the answer here, but I will not for fear that you will continue posting questions here. Brian