lib/qrb/syntax/named_constraint.rb in qrb-0.2.0 vs lib/qrb/syntax/named_constraint.rb in qrb-0.3.0

@@ -4,8 +4,14 @@
 
       def compile(var_name)
         { constraint_name.to_sym => expression.compile(var_name) }
       end
 
+      def to_ast(var_name)
+        [ :constraint,
+          constraint_name.to_s,
+          [:fn, [:parameters, var_name], [:source, expression.to_s.strip]] ]
+      end
+
     end # module NamedConstraint
   end # module Syntax
 end # module Qrb