fix typescript type errors #63

Annotations

1 error and 10 warnings

Process completed with exit code 4.

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

negative steps are not supported in Enum.slice/2, pass 47..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 53..-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 61..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 60..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 61..-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 40..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 43..-1//1 instead