runStaticInitialization16 function Null safety

Implementation

void runStaticInitialization16() {
  // None of these operations has an argument, so there is no circular
  // initialization here.
  Arg.kI = Operations16.I;
  Arg.kParenI = Operations16.parenI;
  Arg.kDigits = Controller16.numbers;
  Arg.kDot = Operations.dot;
  Arg.fShift = Operations.fShift;
  Arg.gShift = Operations.gShift;
  Arg.gsbLabelSynonyms = Arg.registerISynonyms = {
    Operations.sst: Operations16.I,
    Operations.rs: Operations16.parenI
  };
  assert(Arg.assertStaticInitialized());
}