1 files changed, 13 insertions, 13 deletions

diff --git a/src/visitor.h b/src/visitor.h
index 7867446..63f5d08 100644
--- a/src/visitor.h
+++ b/src/visitor.h
@@ -9,41 +9,41 @@ public:
   Visitor() {}
   virtual ~Visitor() {}
   
-  virtual Response visit(const class State &state, const class AbstractNode &node) = 0;
-  virtual Response visit(const class State &state, const class AbstractIntersectionNode &node) {
+  virtual Response visit(class State &state, const class AbstractNode &node) = 0;
+  virtual Response visit(class State &state, const class AbstractIntersectionNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
-  virtual Response visit(const class State &state, const class AbstractPolyNode &node) {
+  virtual Response visit(class State &state, const class AbstractPolyNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
-  virtual Response visit(const class State &state, const class CgaladvNode &node) {
+  virtual Response visit(class State &state, const class CgaladvNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
-  virtual Response visit(const class State &state, const class CsgNode &node) {
+  virtual Response visit(class State &state, const class CsgNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
-  virtual Response visit(const class State &state, const class DxfLinearExtrudeNode &node) {
+  virtual Response visit(class State &state, const class DxfLinearExtrudeNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class DxfRotateExtrudeNode &node) {
+  virtual Response visit(class State &state, const class DxfRotateExtrudeNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class ImportNode &node) {
+  virtual Response visit(class State &state, const class ImportNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class PrimitiveNode &node) {
+  virtual Response visit(class State &state, const class PrimitiveNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class ProjectionNode &node) {
+  virtual Response visit(class State &state, const class ProjectionNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class RenderNode &node) {
+  virtual Response visit(class State &state, const class RenderNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
-  virtual Response visit(const class State &state, const class SurfaceNode &node) {
+  virtual Response visit(class State &state, const class SurfaceNode &node) {
 		return visit(state, (const class AbstractPolyNode &)node);
 	}
-  virtual Response visit(const class State &state, const class TransformNode &node) {
+  virtual Response visit(class State &state, const class TransformNode &node) {
 		return visit(state, (const class AbstractNode &)node);
 	}
 	// Add visit() methods for new visitable subtypes of AbstractNode here