Euclid.Extra.Enum.update_or_append_by

You're seeing just the function update_or_append_by, go back to Euclid.Extra.Enum module for more information.
Link to this function

update_or_append_by(enumerable, filter, mergeable)

View Source
This function is deprecated. Use `Euclid.Enum.update_or_append_by/3` instead.