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| # Elixir has lazily evaluated enumerable objects that allow you | |
| # to work with enumerable objects like lists either only as needed | |
| # or infinitely. | |
| # Start up iex to play around | |
| $ iex | |
| # Typical enumeration is done eagerly where the result is computed ASAP | |
| iex> Enum.map(1..10, fn i -> i * 2 end) | |
| [2, 4, 6, 8, 10, 12, 14, 16, 18, 20] |