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io: use vec in example for AsyncReadExt::read_exact (#5863)

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avdb
2023-07-16 16:11:05 +02:00
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parent 6166e9bcad
commit 33d6d4f63c
1 changed files with 2 additions and 1 deletions
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tokio/src/io/util/async_read_ext.rs
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@@ -292,7 +292,8 @@ cfg_io_util! {
/// #[tokio::main] /// #[tokio::main]
/// async fn main() -> io::Result<()> { /// async fn main() -> io::Result<()> {
/// let mut f = File::open("foo.txt").await?; /// let mut f = File::open("foo.txt").await?;
/// let mut buffer = [0; 10]; /// let len = 10;
/// let mut buffer = vec![0; len];
/// ///
/// // read exactly 10 bytes /// // read exactly 10 bytes
/// f.read_exact(&mut buffer).await?; /// f.read_exact(&mut buffer).await?;