From 6f193577ab8bb8d9dd7f8661d7fd121e53b490a3 Mon Sep 17 00:00:00 2001
From: Erin <erin@erindesu.cz>
Date: Thu, 9 Dec 2021 17:51:03 +0100
Subject: [PATCH] Implemented subtraction for functio chains... maybe?

---
 ablescript/src/variables.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ablescript/src/variables.rs b/ablescript/src/variables.rs
index f16f94c..1178297 100644
--- a/ablescript/src/variables.rs
+++ b/ablescript/src/variables.rs
@@ -501,7 +501,16 @@ impl ops::Sub for Value {
                     )
                     .into_functio(),
                 },
-                Functio::Chain { functios, kind } => todo!(),
+                Functio::Chain { functios, .. } => {
+                    let rhs = rhs.into_functio();
+                    let (a, b) = *functios;
+                    
+                    match (a == rhs, b == rhs) {
+                        (_, true) => a,
+                        (true, _) => b,
+                        (_, _) => (Value::Functio(a) - Value::Functio(rhs)).into_functio(),
+                    }
+                }
                 Functio::Eval(lhs_code) => Functio::Eval(lhs_code.replace(
                     &match rhs.into_functio() {
                         Functio::Eval(code) => code,