scope test_leftArrowScript

svoid test_leftArrowScript() {
  testFunctionValues(script -> leftArrow((S) script),
    "def double x { Math multiplyExact x 2 }; double 10", 20,
  );
}

sO #leftArrow(S script) {
  new GazelleV_LeftArrowScriptParser parser;
  parser.allowTheWorld();
  ret parser.parse(script)!;
}