#include <iostream> void foo(int(int)); int main() { foo(1); }
Standard input is empty
prog.cpp: In function ‘int main()’:
prog.cpp:7:10: error: invalid conversion from ‘int’ to ‘int (*)(int)’ [-fpermissive]
foo(1);
^
prog.cpp:4:6: note: initializing argument 1 of ‘void foo(int (*)(int))’
void foo(int(int));
^~~
Standard output is empty