Ruby Fundamental - Blocos em Ruby (parte II)

blocos_1.rb

x = 10
5.times do |x|
  puts "x inside the block: #{x}"
end  

puts "x outside the block: #{x}"

blocos_2.txt

x inside the block: 0
x inside the block: 1
x inside the block: 2
x inside the block: 3
x inside the block: 4
x outside the block: 10

blocos_3.rb

x = 10
5.times do |y|
  x = y
  puts "x inside the block: #{x}"
end  

puts "x outside the block: #{x}"

blocos_4.txt

x inside the block: 0
x inside the block: 1
x inside the block: 2
x inside the block: 3
x inside the block: 4
x outside the block: 4

blocos_5.rb

x = 1200
puts "Before the loop, x = #{x}"  

3.times do|y; x|
  puts "Looping #{y}"
  x = y
end

puts "After the loop, x = #{x}"

blocos_6.txt

Before the loop, x = 1200
Looping 0
Looping 1
Looping 2
After the loop, x = 1200