traverse v1.0.1 Traverse.Ignore
When a transformer function returns this value the transformation of the containing data structure will not contain it, in case the containing data structure is a map the key is omitted in the transformation.
iex> Traverse.map([1, 2, %{a: 1}, {1, 2}], fn _ -> Traverse.Ignore end) [%{}, {}]
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me?(arg1)
Lackmus to decide if an argument is to be ignored, or, in other words, is me.