Win from avoiding some allocation

2022-07-13 14:01:20 +02:00 · 2022-07-13 14:01:20 +02:00 · 18b9cb5df4
parent 17707b8421
commit 18b9cb5df4
1 changed files with 1 additions and 1 deletions
--- a/implementations/rust/preserves/src/value/iolist.rs
+++ b/implementations/rust/preserves/src/value/iolist.rs
@ -36,7 +36,7 @@ impl IOList {
    pub fn write_all(&mut self, cow: Cow<'_, [u8]>) {
        self.len += cow.len();
        match cow {
-            Cow::Borrowed(bs) => self.chunks.push(bs.to_owned()),
+            Cow::Borrowed(bs) => self.rightmost_chunk().extend_from_slice(bs),
            Cow::Owned(bs) => self.chunks.push(bs),
        }
    }