Adapt pin! to the new lifespan-extension rules of 2024 edition

danielhenrymantilla · web-flow · commit 6ca8cbb11c3d · 2025-03-17T20:51:35.000+01:00
I *believe* this ought to be fixing rust-lang#138596
diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs
@@ -2014,5 +2014,5 @@ pub macro pin($value:expr $(,)?) {
     //
     // See https://doc.rust-lang.org/1.58.1/reference/destructors.html#temporary-lifetime-extension
     // for more info.
-    $crate::pin::Pin::<&mut _> { __pointer: &mut { $value } }
+    $crate::pin::Pin::<&mut _> { __pointer: &mut $crate::convert::identity($value) }
 }

Original file line number	Diff line number	Diff line change
`@@ -2014,5 +2014,5 @@ pub macro pin($value:expr $(,)?) {`
`2014`	`2014`	`//`
`2015`	`2015`	`// See https://doc.rust-lang.org/1.58.1/reference/destructors.html#temporary-lifetime-extension`
`2016`	`2016`	`// for more info.`
`2017`		`- $crate::pin::Pin::<&mut _> { __pointer: &mut { $value } }`
	`2017`	`+ $crate::pin::Pin::<&mut _> { __pointer: &mut $crate::convert::identity($value) }`
`2018`	`2018`	`}`