From 376f28044cf78be26f05c2230b78f23326f62ae7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Tue, 3 Jan 2023 12:55:48 +0100
Subject: [PATCH] Resolver - Fixed function handling

  * Since the arguments are stored in an intermediate environment, an
    additional scope is required
---
 src/resolver.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/resolver.rs b/src/resolver.rs
index 4a35811..e91d193 100644
--- a/src/resolver.rs
+++ b/src/resolver.rs
@@ -68,8 +68,12 @@ impl ResolverState {
             self.declare(param);
             self.define(param);
         }
+        // Unlike the original Lox, function arguments and function bodies do
+        // not use the same environment.
+        self.begin_scope();
         let result = body.resolve(self);
         self.end_scope();
+        self.end_scope();
         result
     }