From 200310e8faa756b9869dd6dfc902c255246ac74a Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Mon, 15 Feb 2021 23:00:12 -0300
Subject: [PATCH] Assert operand's id is not zero

---
 src/stream.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/stream.h b/src/stream.h
index fecc6d0..25b98f1 100644
--- a/src/stream.h
+++ b/src/stream.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <bit>
+#include <cassert>
 #include <concepts>
 #include <cstddef>
 #include <functional>
@@ -136,6 +137,7 @@ public:
     }
 
     Stream& operator<<(Id value) {
+        assert(value.value != 0);
         return *this << value.value;
     }