// e.g.
//   void tailCall aka replace(Computable x) {...}
// to:
//   void tailCall(Computable x) {...}
//   void replace(Computable x) { tailCall(x); }
// (or the other way around)
svoid tok_akaFunctionNames(LS tok) {
  int i;
  while ((i = jfind(tok, "<id> aka <id>")) >= 0) {
    int iName1 = i, iName2 = i+4;
    int iOpening = indexOf(tok, i, "(");
    int iClosing = findEndOfBracketPart2(tok, iOpening)-1;

    S name1 = tok.get(iName1), name2 = tok.get(iName2);
    
    int iType = tok_leftScanType(tok, iName1);
    int iStart = tok_leftScanTypeArgsOpt(tok, iType);
    iStart = leftScanModifiers(tok, iStart);
    
    LS _args = subList(tok, iOpening+1, iClosing);
    LS args = tok_parseArgsDeclList2(_args);
    LS type = subList(tok, iType-1, iName1); // return type
    bool isVoid = containsOneOf(codeTokens(type), javaxVoidAliases());
    
    // replace "aka" with params, body and modifiers+return type
    replaceTokens(tok, iName1+1, iName1+4,
      joinSubList(tok, iOpening, iClosing+1)
      + " { " + stringIf(!isVoid, "return ")
      + name2 + "(" + joinWithComma(lmap tok_lastIdentifier(args)) + "); }\n"
      + join(dropFirst(type)));
  }
}