1 files changed, 3 insertions, 3 deletions
diff --git a/src/ast_utils.h b/src/ast_utils.h
index ee5c76b69..600abd1b6 100644
--- a/src/ast_utils.h
+++ b/src/ast_utils.h
@@ -169,16 +169,16 @@ struct EffectAnalyzer : public PostWalker<EffectAnalyzer, Visitor<EffectAnalyzer
 
 // Meausure the size of an AST
 struct Measurer : public PostWalker<Measurer, UnifiedExpressionVisitor<Measurer>> {
-  size_t size = 0;
+  Index size = 0;
 
   void visitExpression(Expression* curr) {
     size++;
   }
 
-  static bool measure(Expression* tree) {
+  static Index measure(Expression* tree) {
     Measurer measurer;
     measurer.walk(tree);
-    return !!measurer.size;
+    return measurer.size;
   }
 };