From ac259be7c2cda9febaf759dddd821cdedbe2a019 Mon Sep 17 00:00:00 2001
From: BHznJNs <441768875@qq.com>
Date: Sat, 11 Mar 2023 22:10:17 +0800
Subject: [PATCH] bug fixed: param  missing error

---
 src/computer/compute.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/computer/compute.rs b/src/computer/compute.rs
index 0b32afe..8271282 100644
--- a/src/computer/compute.rs
+++ b/src/computer/compute.rs
@@ -133,6 +133,11 @@ fn expression_compute(
                     Some(func) => {
                         // build-in function
                         if let Some(params) = &node.params {
+                            if params.len() == 0 {
+                                println!("Parameter for function '{}' is missing.", name);
+                                return Err(())
+                            }
+
                             let expression_node = ASTNode {
                                 type__: ASTNodeTypes::Expression,
                                 params: Some(params.to_vec()),