From e32c6f8e8acc2b26fc41cb8f62c5aba7e248db59 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Fri, 19 May 2023 14:48:48 +0200
Subject: [PATCH] Do not crash on invalid pattern

Fixes #1213
Fixes #1232
---
 src/eval/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/eval/mod.rs b/src/eval/mod.rs
index ba9628c4b..e80c95c88 100644
--- a/src/eval/mod.rs
+++ b/src/eval/mod.rs
@@ -1399,7 +1399,7 @@ impl ast::Pattern {
                 vm.define(ident, value);
                 Ok(Value::None)
             }
-            _ => unreachable!(),
+            _ => bail!(expr.span(), "nested patterns are currently not supported"),
         })
     }