chore: remove observer & wx #53

Annotations

10 warnings

negative steps are not supported in Enum.slice/2, pass 10..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 36..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 20..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 10..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 92..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 20..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 35..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 10..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 20..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 62..-1//1 instead