feat: better builtins implementaion

get rid of circular references

src/ty/internal/primop.rs

@@ -2,8 +2,8 @@ use std::rc::Rc;
 
 use derive_more::Constructor;
 
-use crate::vm::VM;
 use crate::error::Result;
+use crate::vm::VM;
 
 use super::Value;
 
@@ -23,12 +23,16 @@ impl PartialEq for PrimOp<'_> {
 impl<'vm> PrimOp<'vm> {
     pub fn call(&self, vm: &'vm VM<'_>, args: Vec<Value<'vm>>) -> Result<Value<'vm>> {
         if (args.len()) < self.arity {
-            Value::PartialPrimOp(PartialPrimOp {
-                name: self.name,
-                arity: self.arity - args.len(),
-                args,
-                func: self.func,
-            }.into()).ok()
+            Value::PartialPrimOp(
+                PartialPrimOp {
+                    name: self.name,
+                    arity: self.arity - args.len(),
+                    args,
+                    func: self.func,
+                }
+                .into(),
+            )
+            .ok()
         } else if args.len() == self.arity {
             (self.func)(vm, args)
         } else {