From e82ed39707bab871331d5cee578bb11215c123b0 Mon Sep 17 00:00:00 2001
From: oech3 <79379754+oech3@users.noreply.github.com>
Date: Mon, 27 Apr 2026 01:20:19 +0900
Subject: [PATCH] cat, splice.rs: replace if with match, add comment

---
 src/uu/cat/src/splice.rs | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/src/uu/cat/src/splice.rs b/src/uu/cat/src/splice.rs
index 867a32df929..a509ea27117 100644
--- a/src/uu/cat/src/splice.rs
+++ b/src/uu/cat/src/splice.rs
@@ -21,15 +21,10 @@ pub(super) fn write_fast_using_splice<R: FdReadable, S: AsRawFd + AsFd + Write>(
     handle: &InputHandle<R>,
     write_fd: &mut S,
 ) -> CatResult<bool> {
-    if splice(&handle.reader, &write_fd, MAX_ROOTLESS_PIPE_SIZE).is_ok() {
-        Ok(
-            uucore::pipes::splice_unbounded(&handle.reader, write_fd)?
-                || might_fuse(&handle.reader),
-        )
-    } else {
-        Ok(
-            uucore::pipes::splice_unbounded_broker(&handle.reader, write_fd)?
-                || might_fuse(&handle.reader),
-        )
-    }
+    let res = match splice(&handle.reader, &write_fd, MAX_ROOTLESS_PIPE_SIZE) {
+        Ok(_) => uucore::pipes::splice_unbounded(&handle.reader, write_fd)?,
+        // both of in/output are not pipe
+        _ => uucore::pipes::splice_unbounded_broker(&handle.reader, write_fd)?,
+    };
+    Ok(res || might_fuse(&handle.reader))
 }