From 59b718619c18cba6aebd01ebdb56f12f27c84629 Mon Sep 17 00:00:00 2001
From: Dustin Swan <dustin@dustinswan.com>
Date: Sun, 1 Feb 2026 16:23:52 -0700
Subject: [PATCH] interpreting record access

---
 src/interpreter.ts | 14 ++++++++++++++
 src/main.ts        |  3 ++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/interpreter.ts b/src/interpreter.ts
index 9c4d071..6cfc171 100644
--- a/src/interpreter.ts
+++ b/src/interpreter.ts
@@ -28,6 +28,20 @@ export function evaluate(ast: AST, env: Env): Value {
 
             return { kind: 'record', fields };
 
+        case 'record-access':
+            const record = evaluate(ast.record, env);
+
+            if (record.kind !== 'record')
+                throw new Error('Not a record');
+
+            const value = record.fields[ast.field];
+
+            if (value === undefined) {
+                throw new Error(`Field ${ast.field} not found`);
+            }
+
+            return value;
+
         case 'constructor':
             return {
                 kind: 'constructor',
diff --git a/src/main.ts b/src/main.ts
index 17e6278..9aee4b3 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -29,7 +29,8 @@ console.log(tokenize(str));
 // const tokens2 = tokenize('add1 = (x \\ x + 1); add1 3');
 // const tokens2 = tokenize('sum = x y \\ x + y; sum 5 3');
 // const tokens2 = tokenize('[1, 2, 3]');
-const tokens2 = tokenize('c = 5; { a = 3, b = c }');
+// const tokens2 = tokenize('c = 5; { a = 3, b = c }');
+const tokens2 = tokenize('rec = { a = 3, b = 5 }; rec.a');
 const p2 = new Parser(tokens2);
 const ast3 = p2.parse();
 console.log(ast3);