Actually, we don't care about the return type of the actions at all.

mikeckennedy · mikeckennedy · commit 66ea0942dfc3 · 2017-09-13T15:03:50.000-07:00
diff --git a/README.md b/README.md
@@ -65,7 +65,7 @@ with switch(value) as s:
 
 **Warning / open for debate**: 
 
-I'm a little unsure what is the right way to handle this
+I'm a little unsure what is the right way to handle this.
 On one hand, reading `case(range(1,5))` seems like it should
 include `1, 2, 3, 4, 5`. But `list(range(1,5))` is `[1,2,3,4]`. 
 So that would be inconsistent.
diff --git a/switchlang.py b/switchlang.py
@@ -1,16 +1,16 @@
 # Here is a first pass implementation at adding switch
-from typing import Callable
+from typing import Callable, Any
 
 
 class switch:
     def __init__(self, value):
         self.value = value
         self.cases = {}
 
-    def default(self, func: Callable[[], None]):
+    def default(self, func: Callable[[], Any]):
         self.case('__default__', func)
 
-    def case(self, key, func: Callable[[], None]):
+    def case(self, key, func: Callable[[], Any]):
         if isinstance(key, range):
             for n in range(key.start, key.stop + 1, key.step):
                 self.case(n, func)
