Programming-Idioms

Edit summary for version 49 by steenslag:
[Ruby] each_with_index iterates over index and value at the same time.

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2016-02-18, 16:57:56

2016-04-18, 20:14:41

Idiom #7 Iterate over list indexes and values

Print each index i with its value x from an array-like collection items

Print each index i with its value x from an array-like collection items

items.each_index do |i| 
	puts "Item #{i} = #{items[i]}"
end

items.each_with_index do |el, i| 
  puts "Item #{i} = #{el}"
end