Programming-Idioms

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2022-08-27, 16:18:17

2022-09-02, 22:22:45

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

i,x,items

i,x,items

indices traverse traversal

indices traverse traversal

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

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

https://ruby-doc.org/core-3.1.2/Enumerable.html#method-i-each_with_index

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