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class Foo
{
public:
	template<typename R, typename T, typename S>
	static R add(T x, S y) { return x + y; }
};
 
template<typename Foo, typename T>
inline T add(T x, double y)
{
	return Foo::add<T, T, double>(x, y);
}
 
int main()
{
	Foo::add<double>(3.0, 4.0);
	return 0;
}

prog.cpp: In function ‘T add(T, double)’:
prog.cpp:11:19: error: expected primary-expression before ‘,’ token
  return Foo::add<T, T, double>(x, y);
                   ^
prog.cpp:11:22: error: expected primary-expression before ‘,’ token
  return Foo::add<T, T, double>(x, y);
                      ^
prog.cpp:11:24: error: expected primary-expression before ‘double’
  return Foo::add<T, T, double>(x, y);
                        ^~~~~~
prog.cpp:11:23: error: expected ‘;’ before ‘double’
  return Foo::add<T, T, double>(x, y);
                       ^~~~~~~
                       ;
prog.cpp:11:30: error: expected unqualified-id before ‘>’ token
  return Foo::add<T, T, double>(x, y);
                              ^

Standard output is empty