Method stringAbs

java/lib/src/main/java/io/github/ccxt/base/Precise.java:297–300

(Object a)

    }

    public static String stringAbs(Object a) {
        if (a == null) return null;
        return new Precise((String) a).abs().toString();
    }

    public static String stringNeg(Object a) {
        if (a == null) return null;