lib/mutant/matcher/config.rb in mutant-0.10.24 vs lib/mutant/matcher/config.rb in mutant-0.10.25

@@ -24,10 +24,12 @@
       )
       private_constant(*constants(false))
 
       DEFAULT = new(Hash[anima.attribute_names.map { |name| [name, []] }])
 
-      expression = ->(input) { Mutant::Config::DEFAULT.expression_parser.call(input) }
+      expression = Transform::Block.capture(:expression) do |input|
+        Mutant::Config::DEFAULT.expression_parser.call(input)
+      end
 
       expression_array = Transform::Array.new(expression)
 
       LOADER =
         Transform::Sequence.new(