From 5c160382cc504267b5112983710eebdd1bbe58c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gr=C3=A9goire?= <loic@gregoire.dev>
Date: Sun, 13 Sep 2026 21:43:42 -0400
Subject: [PATCH] rtl: add custom assert

---
 src/rtl/root.zig | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/rtl/root.zig b/src/rtl/root.zig
index 0071f99..a40f86f 100644
--- a/src/rtl/root.zig
+++ b/src/rtl/root.zig
@@ -84,6 +84,19 @@ pub fn assert_interface(T: type, I: type) void {
     }
 }
 
+pub fn assert(condition: bool, comptime msg: []const u8, args: anytype) void {
+    if (!condition) {
+        @branchHint(.unlikely);
+
+        switch (@import("builtin").mode) {
+            .ReleaseFast, .ReleaseSmall => unreachable,
+            .Debug, .ReleaseSafe => {
+                std.debug.panicExtra(@returnAddress(), "Assertion failed: " ++ msg, args);
+            },
+        }
+    }
+}
+
 test {
     std.testing.refAllDecls(@This());
 }