From 058bd302dfb63b54e877afb45912f4795da30048 Mon Sep 17 00:00:00 2001
From: Sage Vaillancourt <sagev9000@tutanota.com>
Date: Mon, 2 Nov 2020 13:42:37 -0500
Subject: [PATCH] `def` can bind multiple vars at once

For example `(def (a b) (10 15))` binds `a` to 10, and `b` to 15
---
 src/pebblisp.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/pebblisp.c b/src/pebblisp.c
index 075b78e..5ba62a0 100644
--- a/src/pebblisp.c
+++ b/src/pebblisp.c
@@ -14,6 +14,15 @@ Object evalDefArgs(const Object *argForms, struct Environment *env)
     const Object *newSymbol = argForms;
     const char *name = newSymbol->string;
 
+    if(argForms->type == TYPE_LIST && argForms->forward->type == TYPE_LIST) {
+        FOR_POINTERS_IN_LISTS(argForms, argForms->forward) {
+            Object newValue = eval(P2, env);
+            addToEnv(env, P1->string, newValue);
+            cleanObject(&newValue);
+        }
+        return cloneObject(*newSymbol);
+    }
+
     Object newValue = eval(newSymbol->forward, env);
 
     addToEnv(env, name, newValue);