}
{ $slide "Modifiers"
{ $code ": bank ( n -- n )" " readln string>number +" " dup \"Balance: $\" write . ;" }
- { $code "0 [ dup 0 > ] [ bank ] [ ] while" }
+ { $code "0 [ dup 0 > ] [ bank ] while" }
}
{ $slide "Modifiers"
{ $code "0 [ dup 0 > ] [ bank ] [ ] do while" }