Method filterBy

java/lib/src/main/java/io/github/ccxt/base/Generic.java:133–150

(Object aa, Object key, Object value)

    // ---------- filterBy ----------

    public static List<Object> filterBy(Object aa, Object key, Object value) {
        List<Object> targetA;
        if (aa instanceof List) {
            targetA = (List<Object>) aa;
        } else {
            targetA = new ArrayList<>(((Map<String, Object>) aa).values());
        }
        List<Object> out = new ArrayList<>();
        for (Object elem : targetA) {
            Map<String, Object> m = (Map<String, Object>) elem;
            Object v = m.get((String) key);
            if (Objects.equals(v == null ? null : v.toString(),
                               value == null ? null : value.toString())) {
                out.add(elem);
            }
        }
        return out;
    }

    // ---------- extend / Extend (shallow merge) ----------