1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/ast/ExpressionNode.java b/src/main/java/org/zwobble/couscous/ast/ExpressionNode.java
index 65757ad..0f1ab4f 100644
--- a/src/main/java/org/zwobble/couscous/ast/ExpressionNode.java
+++ b/src/main/java/org/zwobble/couscous/ast/ExpressionNode.java
@@ -3,6 +3,8 @@ package org.zwobble.couscous.ast;
 import org.zwobble.couscous.ast.visitors.ExpressionNodeMapper;
 import org.zwobble.couscous.ast.visitors.NodeMapper;
 
+import java.util.function.Function;
+
 public interface ExpressionNode extends Node {
     TypeName getType();
     <T> T accept(ExpressionNodeMapper<T> visitor);
@@ -56,4 +58,6 @@ public interface ExpressionNode extends Node {
             }
         });
     }
+
+    ExpressionNode replaceExpressions(Function<ExpressionNode, ExpressionNode> replace);
 }