1 files changed, 7 insertions, 3 deletions
diff --git a/src/thue/program.cr b/src/thue/program.cr
index 96e1284..c9e5f2c 100644
--- a/src/thue/program.cr
+++ b/src/thue/program.cr
@@ -1,12 +1,16 @@
 require "./thue.cr"
 require "./parser.cr"
 require "../util.cr"
+require "../program.cr"
 
-class Thue::Program
-  def initialize(@parser : Parser)
+struct Thue::Program < Flint::Program
+  def initialize(source_io : IO)
+    super
+
+    @parser = Parser.new(source_io)
   end
 
-  def interpret
+  def interpret : Nil
     rules, state = @parser.parse
 
     loop do