a = "some text"
thr = Array.new

0.upto(10) { |i|
	thr << Thread.new(i) { |a|
		b = i
		sleep 0.1
		puts "(a, b, i) = (#{a}, #{b}, #{i})"
		#$stderr.print "bug!" if a != i
	}
}

thr.each { |t|
	t.join
}