// map contains function name -> snippet id
static SS parseStdFunctionsList(S snippetSrc) {
  ret parseStdFunctionsList(snippetSrc, new LinkedHashMap);
}

static SS parseStdFunctionsList(S snippetSrc, SS map) {
  L<S> tok = javaTok(snippetSrc);
  int i = findCodeTokens(tok, "standardFunctions", "=", "litlist", "(");
  int opening = i+6;
  int closing = indexOf(tok, ")", opening)-1;
  for (i = opening+2; i < closing; i += 4) {
    S[] f = unquote(tok.get(i)).split("/");
    map.put(f[1], f[0]);
  }
  ret map;
}