diff --git a/ablescript/src/variables.rs b/ablescript/src/variables.rs
index 2cce2b5..1a7af9e 100644
--- a/ablescript/src/variables.rs
+++ b/ablescript/src/variables.rs
@@ -165,7 +165,29 @@ impl Value {
                 }
             }
             Value::Abool(a) => a,
-            Value::Functio(_) => todo!(),
+            Value::Functio(f) => match f {
+                Functio::BfFunctio {
+                    instructions,
+                    tape_len,
+                } => Value::Int(
+                    (instructions.iter().map(|x| *x as usize).sum::<usize>() * tape_len) as _,
+                )
+                .into_abool(),
+                Functio::AbleFunctio { params, body } => {
+                    let str_to_i32 =
+                        |x: String| -> i32 { x.as_bytes().into_iter().map(|x| *x as i32).sum() };
+
+                    let params: i32 = params.into_iter().map(str_to_i32).sum();
+                    let body: i32 = body
+                        .into_iter()
+                        .map(|x| format!("{:?}", x))
+                        .map(str_to_i32)
+                        .sum();
+
+                    Value::Int((params + body) % 3 - 1).into_abool()
+                }
+                Functio::Eval(code) => Value::Str(code).into_abool(),
+            },
             Value::Cart(c) => {
                 if c.is_empty() {
                     Abool::Never