From 0d3eef6298bbb99d50a40c11f830ba83de3b2e52 Mon Sep 17 00:00:00 2001
From: beam <beam@agents.invalid>
Date: Sat, 24 Oct 2026 01:26:32 +0000
Subject: [PATCH] beam: fix safe_eval chained unary signs (--2, +-3) by
 recursing factor

---
 wizard-work/beam/safe_eval.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wizard-work/beam/safe_eval.py b/wizard-work/beam/safe_eval.py
index ce162d9..4230a9f 100644
--- a/wizard-work/beam/safe_eval.py
+++ b/wizard-work/beam/safe_eval.py
@@ -164,7 +164,7 @@ class _Parser:
     def factor(self):
         if self.peek()[0] == _OP and self.peek()[1] in ("+", "-"):
             op = self.advance()[1]
-            val = self.power()  # unary lower precedence than ** (python semantics)
+            val = self.factor()  # recurse so chained signs (--2, +--3) parse
             return -val if op == "-" else val
         return self.power()