From a6df909a8d8018ef87b66b2128c6acfa9fb0599c Mon Sep 17 00:00:00 2001
From: pan93412 <pan93412@gmail.com>
Date: Wed, 26 Apr 2023 17:30:03 +0800
Subject: Allow passing `region` to LocalName (#926)

---
 src/util/mod.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/util')

diff --git a/src/util/mod.rs b/src/util/mod.rs
index 592ba1fa..83ec5961 100644
--- a/src/util/mod.rs
+++ b/src/util/mod.rs
@@ -226,3 +226,13 @@ pub fn pretty_array_like(parts: &[impl AsRef<str>], trailing_comma: bool) -> Str
     buf.push(')');
     buf
 }
+
+/// Check if the [`Option`]-wrapped L is same to R.
+///
+/// This is the stable version of [`Option::contains`].
+pub fn option_eq<L, R>(left: Option<L>, other: R) -> bool
+where
+    L: PartialEq<R>,
+{
+    left.map(|v| v == other).unwrap_or(false)
+}
-- 
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