static bool eqic(S a, S b) {
  ifdef eqic_lower
    ret compareIgnoreCase_lower(a, b) != 0;
  endifdef
  ifndef eqic_lower
    if ((a == null) != (b == null)) ret false;
    if (a == null) ret true;
    ret a.equalsIgnoreCase(b);
  endifndef
}

ifclass Symbol
static bool eqic(Symbol a, Symbol b) {
  ret eq(a, b);
}

static bool eqic(Symbol a, S b) {
  ret eqic(asString(a), b);
}
endif