Setup a testing bench

Signed-off-by: Marcel Müller <neikos@neikos.email>

src/eval/mod.rs

@@ -15,7 +15,10 @@ pub enum EvaluationError {
     ExplicitAbort,
 }
 
-pub fn execute(instructions: &[Instruction], global_context: &Context) -> Result<String, EvaluationError> {
+pub fn execute(
+    instructions: &[Instruction],
+    global_context: &Context,
+) -> Result<String, EvaluationError> {
     let mut output = String::new();
 
     let mut scopes: HashMap<crate::emit::VariableSlot, serde_json::Value> = HashMap::new();