lazy ruby calls each block sequentially

lazy-ruby.rb

irb(main):001:0> 1.upto(Float::INFINITY).lazy.
irb(main):002:0*   map { |x| puts "1 #{x}"; x * x }.
irb(main):003:0*   map { |x| puts "2 #{x}"; x + 1 }.
irb(main):004:0*   take(10).to_a
1 1
2 1
1 2
2 4
1 3
2 9
1 4
2 16
1 5
2 25
1 6
2 36
1 7
2 49
1 8
2 64
1 9
2 81
1 10
2 100
=> [2, 5, 10, 17, 26, 37, 50, 65, 82, 101]
irb(main):005:0>