From 2ed4212c760701e308dcf6c740720d18e8f2dbf1 Mon Sep 17 00:00:00 2001
From: Naim A <227396+naim94a@users.noreply.github.com>
Date: Thu, 30 Mar 2023 00:07:08 +0300
Subject: bail! when #symbol is called without parameters (#440)

---
 library/src/compute/construct.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'library/src')

diff --git a/library/src/compute/construct.rs b/library/src/compute/construct.rs
index a30faf2e..04195f42 100644
--- a/library/src/compute/construct.rs
+++ b/library/src/compute/construct.rs
@@ -258,6 +258,9 @@ pub fn symbol(
     variants: Vec<Spanned<Variant>>,
 ) -> Value {
     let mut list = Vec::new();
+    if variants.is_empty() {
+        bail!(args.span, "expected at least one variant");
+    }
     for Spanned { v, span } in variants {
         if list.iter().any(|(prev, _)| &v.0 == prev) {
             bail!(span, "duplicate variant");
-- 
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