croma v0.4.0 Croma.SubtypeOfAtom
Helper module to define type whose members are a fixed set of atoms.
The following members are generated by use Croma.SubtypeOfAtom
:
@type t
@spec validate(term) :: Croma.Result.t(t)
Options:
:values
- List of atoms of possible values.:default
- Default value for this type. Passing this option generatesdefault/0
.
Examples
defmodule MyAtom do
use Croma.SubtypeOfAtom, values: [:foo, :bar, :baz], default: :foo
end