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kipcole9/type_from_list.ex

Last active July 18, 2022 23:31
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Create a union type from a list
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type_from_list.ex
# Converts a list of atoms into a typespec
type = &Enum.reduce(&1, fn x, acc -> {:|, [], [x, acc]} end)
@grammatical_gender [
:animate,
:inanimate,
:personal,
:common,
:feminine,
:masculine,
:neuter
]
@type grammatical_gender :: unquote(type.(@grammatical_gender))
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