From 32a04f1e677cfa2b4f62a2c1db358588b78d593d Mon Sep 17 00:00:00 2001
From: Mel <einebeere@gmail.com>
Date: Sat, 23 Oct 2021 00:38:57 +0200
Subject: Remove Plus unary op and implement other unary ops

---
 src/interpret/walker.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src/interpret/walker.rs')

diff --git a/src/interpret/walker.rs b/src/interpret/walker.rs
index e04b5a4..7684747 100644
--- a/src/interpret/walker.rs
+++ b/src/interpret/walker.rs
@@ -87,9 +87,8 @@ impl Walker {
                 let value = self.walk_expression(right)?;
 
                 let new_value = match op {
-                    UnOp::Plus => value,
-                    UnOp::Minus => todo!(),
-                    UnOp::Not => todo!("Implement boolean arithmetic."),
+                    UnOp::Minus => value.neg()?,
+                    UnOp::Not => value.not()?,
                 };
 
                 Ok(new_value)
-- 
cgit 1.4.1