From 14007db8465049f953e69c618769a6ed108da830 Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Wed, 1 Jul 2026 14:05:00 +0200
Subject: [PATCH] feat(checker): evaluate unary op on literals

---
 midas/checker/python.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/midas/checker/python.py b/midas/checker/python.py
index 3b9f3ce..647c312 100644
--- a/midas/checker/python.py
+++ b/midas/checker/python.py
@@ -913,6 +913,22 @@ class PythonTyper(
                         pairs.append((key_val, value_val))
                 return True, dict(pairs)
 
+            case p.UnaryExpr(operator=operator, right=operand):
+                is_lit, operand_val = self._get_literal(operand)
+                if not is_lit:
+                    return False, None
+                match operator:
+                    case ast.UAdd():
+                        return True, operand_val
+                    case ast.USub():
+                        return True, -operand_val
+                    case ast.Invert():
+                        return True, ~operand_val
+                    case ast.Not():
+                        return True, not operand_val
+                    case _:  # Should never be reached
+                        return False, None
+
             case _:
                 return False, None