/*
 * Copyright ©2020 Hal Perkins.  All rights reserved.  Permission is
 * hereby granted to students registered for University of Washington
 * CSE 333 for use solely during Spring Quarter 2020 for purposes of
 * the course.  No other use, copying, distribution, or modification
 * is permitted without prior written consent. Copyrights for
 * third-party components of this work must be honored.  Instructors
 * interested in reusing these course materials should contact the
 * author.
 */

void foo(const int &arg) { }

void bar(int &arg) { }

int main(int argc, char **argv) {
  int x = 5;
  int &refx = x;
  const int &ro_refx = refx;
  int y = 0;
  int *ptry = &y;
  const int *ro_ptr1 = &y;
  int *const ro_ptr2 = &y;

  /* Which of the following lines of code will compile?

  bar(refx);
  bar(ro_refx);
  foo(refx);

  ro_ptr1 = (int*)0xDEADBEEF;
  ro_ptr2 = ro_ptr2 + 2;
  *ro_ptr1 = *ro_ptr1 + 1;
  
  */
}