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#include <iostream>
#include <vector>
 
template<typename T>
void foo(T t1, T t2) { T t3(t1+t2);}
 
int main() /// Du benutzt keine Kommandozeilenparameter, weg damit
{
    foo<std::vector<int>>(std::vector<int>(1,1), std::vector<int>(1,2));
}

prog.cpp: In function 'void foo(T, T) [with T = std::vector<int>]':
prog.cpp:9:71:   instantiated from here
prog.cpp:5:34: error: no match for 'operator+' in 't1 + t2'
/usr/lib/gcc/i686-pc-linux-gnu/4.5.1/../../../../include/c++/4.5.1/bits/stl_bvector.h:350:3: note: candidates are: std::_Bit_const_iterator std::operator+(ptrdiff_t, const std::_Bit_const_iterator&)
/usr/lib/gcc/i686-pc-linux-gnu/4.5.1/../../../../include/c++/4.5.1/bits/stl_bvector.h:264:3: note:                 std::_Bit_iterator std::operator+(ptrdiff_t, const std::_Bit_iterator&)

Standard output is empty