From 5d47ebf57a2bcb956396e377afb2b55804ed0d82 Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Sat, 18 Sep 2021 10:14:54 +0800
Subject: [PATCH] Add test for constants to Scope::get_mut.

---
 src/scope.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/scope.rs b/src/scope.rs
index 823d640d..73934593 100644
--- a/src/scope.rs
+++ b/src/scope.rs
@@ -397,6 +397,9 @@ impl<'a> Scope<'a> {
     /// *ptr = 123_i64.into();
     ///
     /// assert_eq!(my_scope.get_value::<i64>("x").unwrap(), 123);
+    ///
+    /// my_scope.push_constant("Z", 1_i64);
+    /// assert!(my_scope.get_mut("Z").is_none());
     /// ```
     #[inline]
     #[must_use]