From ea4074d3ae191a4edc22e65d7a495cc533f5a18c Mon Sep 17 00:00:00 2001
From: Marco van 't Wout <marco@tremani.nl>
Date: Thu, 11 Jul 2024 10:04:35 +0200
Subject: [PATCH] Add support for UnaryMinus and UnaryPlus expressions

---
 src/Resolver/NodeExpressionResolver.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/Resolver/NodeExpressionResolver.php b/src/Resolver/NodeExpressionResolver.php
index 778d203..93df977 100644
--- a/src/Resolver/NodeExpressionResolver.php
+++ b/src/Resolver/NodeExpressionResolver.php
@@ -589,6 +589,16 @@ protected function resolveExprBinaryOpLogicalXor(Expr\BinaryOp\LogicalXor $node)
         return $this->resolve($node->left) xor $this->resolve($node->right);
     }
 
+    protected function resolveExprUnaryMinus(Expr\UnaryMinus $node): int|float
+    {
+        return -$this->resolve($node->expr);
+    }
+
+    protected function resolveExprUnaryPlus(Expr\UnaryPlus $node): int|float
+    {
+        return $this->resolve($node->expr);
+    }
+
     private function getDispatchMethodFor(Node $node): string
     {
         $nodeType = $node->getType();