From 65bb29d40105a39d708623a801fc16f9e3faa2ea Mon Sep 17 00:00:00 2001
From: Erin <erin@erindesu.cz>
Date: Tue, 7 Dec 2021 21:18:45 +0100
Subject: [PATCH] Function negation

---
 ablescript/src/variables.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/ablescript/src/variables.rs b/ablescript/src/variables.rs
index 5ee99cb..0e0a168 100644
--- a/ablescript/src/variables.rs
+++ b/ablescript/src/variables.rs
@@ -443,7 +443,27 @@ impl ops::Not for Value {
                 Abool::Sometimes => Abool::Sometimes,
                 Abool::Always => Abool::Never,
             }),
-            Value::Functio(_) => todo!(),
+            Value::Functio(f) => Value::Functio(match f {
+                Functio::BfFunctio {
+                    mut instructions,
+                    tape_len,
+                } => {
+                    instructions.reverse();
+                    Functio::BfFunctio {
+                        instructions,
+                        tape_len,
+                    }
+                }
+                Functio::AbleFunctio {
+                    mut params,
+                    mut body,
+                } => {
+                    params.reverse();
+                    body.reverse();
+                    Functio::AbleFunctio { params, body }
+                }
+                Functio::Eval(code) => Functio::Eval(code.chars().rev().collect()),
+            }),
             Value::Cart(c) => Value::Cart(
                 c.into_iter()
                     .map(|(k, v)| (v.borrow().clone(), Rc::new(RefCell::new(k))))