From 591607d237665857880e16899788517b9b82d414 Mon Sep 17 00:00:00 2001
From: ljedrz <ljedrz@gmail.com>
Date: Wed, 21 Nov 2018 10:17:54 +0100
Subject: String: add a FIXME to from_utf16

---
 src/liballoc/string.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/liballoc/string.rs')

diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
index 8d009101ce7..0b25d911a29 100644
--- a/src/liballoc/string.rs
+++ b/src/liballoc/string.rs
@@ -618,6 +618,8 @@ impl String {
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
     pub fn from_utf16(v: &[u16]) -> Result<String, FromUtf16Error> {
+        // This isn't done via collect::<Result<_, _>>() for performance reasons.
+        // FIXME: the function can be simplified again when #48994 is closed.
         let mut ret = String::with_capacity(v.len());
         for c in decode_utf16(v.iter().cloned()) {
             if let Ok(c) = c {
-- 
cgit 1.4.1-3-g733a5