Compiling Expression -- Cleaning Up the Stack

vm/vm.go

@@ -32,12 +32,12 @@ func New(byteCode *compiler.ByteCode) *VM {
 	}
 }
 
-func (vm *VM) StackTop() object.Object {
-	if vm.sp == 0 {
-		return nil
-	}
-	return vm.stack[vm.sp-1]
-}
+// func (vm *VM) StackTop() object.Object {
+// 	if vm.sp == 0 {
+// 		return nil
+// 	}
+// 	return vm.stack[vm.sp-1]
+// }
 
 func (vm *VM) Run() error {
 	for ip := 0; ip < len(vm.instructions); ip++ {