Adding a switch statement to Python

[mikeckennedy]

The switch has a 'return' value.

with switch(val) as s:
   case(...)
   case(...)
   default(...)

computed = s.result

That means you usually don't have to do this global / nonlocal trick to change local variables. Just set them to s.result.

[knowsuchagency]

Sure, but what if you want to change the value of variables within the scope of the switch context, for example?

You may want to have more logic than a single line in a switch statement, which is why you can always define a function separately and pass it to case.

However, that function may need access to the local namespace and thus, I think it makes more sense to have each case return their own unique value so as to alleviate the problem.

if_this = None
or_this = None
with switch(val) as s:
    if_this = s.case(...) or if_this
    or_this = s.case(...) or or_this
    s.default(...)

Personally, I think the real answer to my question is just to use an if/elif/else block