Chapter 11 Iterators
An iterator is a method that allows you to access items one at a time.
Syntax:
method_call do [ | expr... | ] expr...end
method_call { [ | expr... | ] expr... }Example:
colors = ["pink", "red", "green", "black"]
colors.each do |color|
puts "I like the color " + color
endThe previous example displays the following output:
I like the color pink
I like the color red
I like the color green
I like the color black