Method code for $parse_lib._range()

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---

  1: arg str;
  2: 
  3: if (str.is_numeric()) {
  4:     return toint(str);
  5: } else {
  6:     switch (str) {
  7:         case "$", "last", "end":
  8:             return 'end;
  9:         case ".", "here":
 10:             return 'current;
 11:         case "^", "start":
 12:             return 'start;
 13:         default:
 14:             throw(~range, "Invalid range reference.");
 15:     }
 16: }

---

// Created 27-Mar-1995 as a part of ColdCore, see: @help Credit