how to write tuples in elixir
iex> {:ok, "hello"}
{:ok, "hello"}
iex> tuple_size {:ok, "hello"}
2how to write tuples in elixir
iex> {:ok, "hello"}
{:ok, "hello"}
iex> tuple_size {:ok, "hello"}
2read tuples elixir
message = { :ok, "To improve is to change; to be perfect is to change often.", author: "Winston Churchill" }
# use the elem function to read values from a tuple
status = elem(message, 0)
message = elem(message, 1)
author = elem(message, 2)[:author]
message = { :ok, "To improve is to change; to be perfect is to change often.", author: "Winston Churchill" }
# set the values on status, message, and author with pattern matching
{ status, message, author: author } = messageCopyright © 2021 Codeinu
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