Method reverse

benchmark/bench/revcomp.java:21–31

(byte[] buf, int begin, int end)

    } 

    static void reverse(byte[] buf, int begin, int end) {
        while (true) {
            byte bb = buf[begin];
            if (bb == '\n') bb = buf[++begin];
            byte be = buf[end];
            if (be == '\n') be = buf[--end];
            if (begin > end) break;
            buf[begin++] = map[be];
            buf[end--] = map[bb];
        }
    }

    public static void main(String[] args) throws IOException {
        final byte[] buf = new byte[System.in.available()];