elixir function pattern matching

patrick204nqh answered on May 31, 2022 Popularity 8/10 Helpfulness 1/10

answer elixir function pattern matching

elixir function pattern matching

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iex> handle_result = fn
...>   {:ok, result} -> IO.puts "Handling result..."
...>   {:ok, _} -> IO.puts "This would be never run as previous will be matched beforehand."
...>   {:error} -> IO.puts "An error has occurred!"
...> end

iex> handle_result.({:ok, some_result}) # Handling result...
iex> handle_result.({:error}) # An error has occurred!

Popularity 8/10 Helpfulness 1/10 Language elixir

Source: Grepper

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Contributed on May 31 2022

patrick204nqh

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