i timesassert "abc" * 4 == "abcabcabcabc"
assert "abc" * 1 == "abc"
assert "abc" * 0 == ""
var b = new Buffer
b.append("天地")
b = b * 4
assert b == "天地天地天地天地"
	redef fun *(i) do
		var mybtlen = _byte_length
		var new_byte_length = mybtlen * i
		var mylen = _length
		var newlen = mylen * i
		var its = _items
		var fb = _first_byte
		var ns = new CString(new_byte_length + 1)
		ns[new_byte_length] = 0
		var offset = 0
		while i > 0 do
			its.copy_to(ns, mybtlen, fb, offset)
			offset += mybtlen
			i -= 1
		end
		return new FlatString.full(ns, new_byte_length, 0, newlen)
	end
					lib/core/text/flat.nit:619,2--635,4