xoutil – Collection of tools. Top-level imports

xoutil.Unset = Unset

False value, mainly for function parameter definitions, where None could be a valid value.

xoutil.Undefined = Undefined

False value for local scope use or where Unset could be a valid value

xoutil.Ignored = Ignored

To be used in arguments that are currently ignored because they are being deprecated. The only valid reason to use Ignored is to signal ignored arguments in method’s/function’s signature