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#include <iostream>
void fun(int*)=delete;
void fun(double)=delete;
void fun(char)=delete;
void fun(unsigned)=delete;
void fun(float)=delete;
void fun(long int);
int main()
{
	fun(3);
}
void fun(long int a)
{
	std::cout<<a<<'\n';
}

prog.cpp: In function 'int main()':
prog.cpp:10:7: error: call of overloaded 'fun(int)' is ambiguous
  fun(3);
       ^
prog.cpp:3:6: note: candidate: void fun(double) <deleted>
 void fun(double)=delete;
      ^
prog.cpp:4:6: note: candidate: void fun(char) <deleted>
 void fun(char)=delete;
      ^
prog.cpp:5:6: note: candidate: void fun(unsigned int) <deleted>
 void fun(unsigned)=delete;
      ^
prog.cpp:6:6: note: candidate: void fun(float) <deleted>
 void fun(float)=delete;
      ^
prog.cpp:7:6: note: candidate: void fun(long int)
 void fun(long int);
      ^

Standard output is empty