- if value = get_change(changeset, map_field) do
- with {:ok, new_value} <- value_function.(value) do
- put_change(changeset, map_field, new_value)
- else
- _ -> changeset
- end
+ with {:ok, value} <- fetch_change(changeset, map_field),
+ {:ok, new_value} <- value_function.(value) do
+ put_change(changeset, map_field, new_value)