lib/datacaster/switch_node.rb in datacaster-3.2.0 vs lib/datacaster/switch_node.rb in datacaster-3.2.1

@@ -2,10 +2,11 @@
   class SwitchNode < Base
     def initialize(base = nil, on_casters = [], else_caster = nil)
       @base = base
 
       if Datacaster::Utils.pickable?(@base)
-        @base = Datacaster::Predefined.pick(@base)
+        @base = Datacaster::Predefined.run { checked_key!(base) } &
+          Datacaster::Predefined.pick(base)
       end
 
       if !@base.nil? && !Datacaster.instance?(@base)
         raise RuntimeError, "provide a Datacaster::Base instance, a hash key, or an array of keys to switch(...) caster", caller
       end