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Add a note about GC considerations with atoms
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# Dynamically Generating Atoms | ||
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> Atoms are constants where their name is their own value. | ||
The use of atoms like `:ok` and `:error` show up all over the place in | ||
Elixir. These are atoms that tend to be statically defined. Atoms can also | ||
be dynamically defined using string interpolation. | ||
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For example, I can generate a handful of atoms by mapping over a range of | ||
integers. | ||
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```elixir | ||
> Enum.map(1..5, &(:"some_atom_#{&1}")) | ||
[:some_atom_1, :some_atom_2, :some_atom_3, :some_atom_4, :some_atom_5] | ||
``` | ||