lib/atacama/contract.rb in atacama-0.1.9 vs lib/atacama/contract.rb in atacama-0.1.10

@@ -89,10 +89,12 @@
       # @raise [Dry::Types::ConstraintError] a type check failure
       #
       # @param value [Any] the object to type check
       def validate_return(value)
         Atacama.check(return_type, value) do |e|
-          raise ReturnTypeMismatchError, "#{self} return value invalid: #{e.message}"
+          raise ReturnTypeMismatchError, Atacama.format_exception(self, e,
+            'The return value was an incorrect type.',
+          )
         end
       end
 
       # The defined options on the contract.
       #