Programming-Idioms

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2020-04-24, 09:49:25

2020-05-10, 21:54:27

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

traverse traversal

traverse traversal

items
|> Enum.with_index
|> Enum.each(fn({x, i}) ->
  IO.puts("#{i} => #{x}")
end)

items
|> Enum.with_index
|> Enum.each(fn({x, i}) ->
  IO.puts("#{i} => #{x}")
end)

http://elixir-lang.org/docs/v1.0/elixir/Enum.html#with_index/1

https://hexdocs.pm/elixir/Enum.html#with_index/1

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