From 556510f378bc11bebefff31729cec62dedbe01fe Mon Sep 17 00:00:00 2001
From: kevin zhao <zhao@openai.com>
Date: Wed, 12 Nov 2025 20:00:12 -0500
Subject: [PATCH] avoid matching on as_slice() when you can use is_empty()

---
 codex-rs/execpolicy2/src/parser.rs | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/codex-rs/execpolicy2/src/parser.rs b/codex-rs/execpolicy2/src/parser.rs
index b82109f77b..101f86fc4d 100644
--- a/codex-rs/execpolicy2/src/parser.rs
+++ b/codex-rs/execpolicy2/src/parser.rs
@@ -139,11 +139,10 @@ fn parse_string_example(raw: &str) -> Result<Vec<String>> {
         Error::InvalidExample("example string has invalid shell syntax".to_string())
     })?;
 
-    match tokens.as_slice() {
-        [] => Err(Error::InvalidExample(
-            "example cannot be an empty string".to_string(),
-        )),
-        _ => Ok(tokens),
+    if tokens.is_empty() {
+        Err(Error::InvalidExample("example cannot be an empty string".to_string()))
+    } else {
+        Ok(tokens)
     }
 }
 
@@ -164,11 +163,10 @@ fn parse_list_example(list: &ListRef) -> Result<Vec<String>> {
         })
         .collect::<Result<_>>()?;
 
-    match tokens.as_slice() {
-        [] => Err(Error::InvalidExample(
-            "example cannot be an empty list".to_string(),
-        )),
-        _ => Ok(tokens),
+    if tokens.is_empty() {
+        Err(Error::InvalidExample("example cannot be an empty list".to_string()))
+    } else {
+        Ok(tokens)
     }
 }