src/main/java/org/organicdesign/fp/indent/IndentUtils.java
public static String arrayString(int[] items) {
        StringBuilder sB = new StringBuilder("i[");
        boolean isFirst = true;
        for (int item : items) {
            if (isFirst) {
                isFirst = false;
            } else {
                sB.append(" ");
            }
            sB.append(item);
        }
        return sB.append("]").toString();
    }
public static String arrayString(int[] items) {
        StringBuilder sB = new StringBuilder("i[");
        boolean isFirst = true;
        for (int item : items) {
            if (isFirst) {
                isFirst = false;
            } else {
                sB.append(" ");
            }
            sB.append(item);
        }
        return sB.append("]").toString();
    }
TODO: We need one of these for each type of primitive for pretty-printing without commas.