/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
/// Pins a value on the stack.
///
/// # Examples
///
/// ```rust
/// # use core::pin::Pin;
/// # struct Foo {}
/// # use aws_smithy_http::pin_mut;
/// let foo = Foo { /* ... */ };
/// pin_mut!(foo);
/// let _: Pin<&mut Foo> = foo;
/// ```
#[macro_export]
macro_rules! pin_mut {
($($x:ident),* $(,)?) => { $(
// Move the value to ensure that it is owned
let mut $x = $x;
// Shadow the original binding so that it can't be directly accessed
// ever again.
#[allow(unused_mut)]
let mut $x = unsafe {
core::pin::Pin::new_unchecked(&mut $x)
};
)* }
}