diff --git a/ablescript/src/variables.rs b/ablescript/src/variables.rs
index 96d89d2..545f2d4 100644
--- a/ablescript/src/variables.rs
+++ b/ablescript/src/variables.rs
@@ -122,7 +122,29 @@ impl Value {
         match self {
             Value::Abool(a) => a as _,
             Value::Bool(b) => b as _,
-            Value::Functio(_) => self.len(),
+            Value::Functio(f) => match f {
+                Functio::Bf {
+                    instructions,
+                    tape_len,
+                } => instructions.into_iter().map(|x| x as i32).sum::<i32>() * tape_len as i32,
+                Functio::Able { params, body } => {
+                    params
+                        .into_iter()
+                        .map(|x| x.bytes().map(|x| x as i32).sum::<i32>())
+                        .sum::<i32>()
+                        + body.len() as i32
+                }
+                Functio::Chain { functios, kind } => {
+                    let (lf, rf) = *functios;
+                    Value::Functio(lf).into_i32()
+                        + Value::Functio(rf).into_i32()
+                            * match kind {
+                                FunctioChainKind::Equal => -1,
+                                FunctioChainKind::ByArity => 1,
+                            }
+                }
+                Functio::Eval(code) => code.bytes().map(|x| x as i32).sum(),
+            },
             Value::Int(i) => i,
             Value::Nul => consts::ANSWER,
             Value::Str(text) => text.parse().unwrap_or(consts::ANSWER),