prog.cpp: In function ‘int main(int, const char**)’:
prog.cpp:10:25: error: no matching function for call to ‘test_template(long long unsigned int, long unsigned int)’
test_template(1ULL, 1UL);
^
prog.cpp:10:25: note: candidate is:
prog.cpp:4:6: note: template<class A> void test_template(A, A)
void test_template(A a1, A a2)
^
prog.cpp:4:6: note: template argument deduction/substitution failed:
prog.cpp:10:25: note: deduced conflicting types for parameter ‘A’ (‘long long unsigned int’ and ‘long unsigned int’)
test_template(1ULL, 1UL);
^