// vtest vflags: -autofree
fn use_plus_assign() {
	mut s := u8(`a`).ascii_str()
	s += u8(`b`).ascii_str()
	println(s)
}

fn main() {
	b := byteptr(c'a')
	s := unsafe { b.vbytes(1) }
	println(s)

	bb := byteptr(c'a')
	ss := unsafe { bb.vstring() }
	println(ss)
	use_plus_assign()
}