From: Jason Green <news AT jgreen4 DOT fsnet DOT co DOT uk>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: gpp can't find headers
Date: Sun, 09 Apr 2000 09:44:01 +0100
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References: <8codd9$equ$1 AT slb6 DOT atl DOT mindspring DOT net>
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To: djgpp AT delorie DOT com
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"Matt Dooner" <mdooner AT mindspring DOT com> wrote:

> I've followed the instructions in the FAQ, but gpp still can't find my
> included headers in c++ programs.   Here is the error message from a basic
> program that uses a string and vector.   Below it is the code of the
> program;

> #include <iostream.h>
> #include <string.h>
> #include <vector.h>

These are old style headers.  You need to use the new style if you
want to use the string class:

#include <iostream>
#include <string>
#include <vector>
using namespace std;

> 
> int main()
> {
>   vector test<int>;

  vector<int> test;

>   test.resize(1);
>   string test = "test";

test is already defined as type vector<int> so you can not define
another variable of type string with the same name.  It is not clear
what you want to do here, if you wanted a vector of strings then test
should have been defined as type vector<string>.  If you want a second
variable of type string then it must have a unique name:

  string str = "test";

>   cout << test << endl;

You can not just output a vector to cout.  You must iterate through
each value contained in the vector and output them individually.  You
can still output the string though:

  cout << str << endl;

> }