var f1;
var f2;
var f3;

var i = 1;
while (i < 4) {
  var j = i;
  fun f() { print(j); }

  if (j == 1) {f1 = f;}
  else {if (j == 2) {f2 = f;}
  else {f3 = f;}}

  i = i + 1;
}

f1(); # expect: 1
f2(); # expect: 2
f3(); # expect: 3