public ByteVector putLong(final long l) {
		int length = this.length;
		if (length + 8 > data.length) {
			enlarge(8);
		}
		byte[] data = this.data;
		int i = (int) (l >>> 32);
		data[length++] = (byte) (i >>> 24);
		data[length++] = (byte) (i >>> 16);
		data[length++] = (byte) (i >>> 8);
		data[length++] = (byte) i;
		i = (int) l;
		data[length++] = (byte) (i >>> 24);
		data[length++] = (byte) (i >>> 16);
		data[length++] = (byte) (i >>> 8);
		data[length++] = (byte) i;
		this.length = length;
		return this;
	}