question about templates
<p>i have following  code</p>

<pre><code>#include &lt;iostream&gt;
#include &lt;utility&gt;
using namespace std;
namespace rel_ops{
    template&lt;class t&gt;bool operator!=(const t&amp; x, const t&amp; y){ return !(x==y);}
    template &lt;class t&gt;bool operator&gt;(const t&amp; x,const t&amp; y){ return y&lt;x;}
    template &lt;class t&gt;bool operator &lt;=(const t&amp; x,const t&amp; y){ return !(y&lt;x);}
    template  &lt;class t&gt; bool operator&gt;=(const t&amp; x,t&amp; y) { return ! (x&lt;y);}
    }
int main(){
    int x,y;

    cin&gt;&gt;x&gt;&gt;y;


     return 0;
}
</code></pre>

<p>i have question 
how implement it in main function? how implements its operators in main function</p>
