From 21a58ffb202531d6ac74702648ad1c168f279a6d Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Sun, 18 Apr 2021 17:25:03 -0700
Subject: 12.5 This

---
 src/com/craftinginterpreters/lox/LoxFunction.java | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/com/craftinginterpreters/lox/LoxFunction.java')

diff --git a/src/com/craftinginterpreters/lox/LoxFunction.java b/src/com/craftinginterpreters/lox/LoxFunction.java
index fb3e8e3..371b822 100644
--- a/src/com/craftinginterpreters/lox/LoxFunction.java
+++ b/src/com/craftinginterpreters/lox/LoxFunction.java
@@ -11,6 +11,12 @@ class LoxFunction implements LoxCallable {
         this.declaration = declaration;
     }
 
+    LoxFunction bind(LoxInstance instance) {
+        Environment environment = new Environment(closure);
+        environment.define("this", instance);
+        return new LoxFunction(declaration, environment);
+    }
+
     @Override
     public int arity() {
         return declaration.params.size();
-- 
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