38 lines
1.0 KiB
Ruby
38 lines
1.0 KiB
Ruby
the_count = [1, 2, 3, 4, 5]
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fruits = ["apples", "oranges", "pears", "apricots"]
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change = [1, "pennies", 2, "dimes", 3, "quarters"]
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# this first kind of for-loop goes through a list
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# in a more traditional style found in other languages
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# for number in the_count
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# puts "This is count #{number}"
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# end
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the_count.each do |number|
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puts "This is count #{number}"
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end
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# same as above, but in a more Ruby style
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# this and the next one are the preferred
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# way Ruby for-loops are written
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fruits.each do |fruit|
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puts "A fruit of type: #{fruit}"
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end
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# also we can go through mixed lists too
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# note this is yet another style, exactly like above
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# but a different syntax (way to write it).
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change.each { |i| puts "I got #{i}" }
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# we can also build lists, first start with an empty one
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elements = []
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# then use the range operator to do 0 to 5 counts
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6.times do |i|
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puts "adding #{i} to the list."
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# pushes the i variable on the *end* of the list
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elements.push(i)
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end
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# now we can print the out too
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elements.each { |i| puts "Element was: #{i}" }
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