Add a type annotation to improve error messages with type mismatches

danielhenrymantilla · danielhenrymantilla · commit b8d598fac963 · 2022-01-22T00:32:41.000+01:00
diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs
@@ -1146,5 +1146,5 @@ pub macro pin($value:expr $(,)?) {
     //
     // Finally, we don't hit problems _w.r.t._ the privacy of the `pointer` field, or the
     // unqualified `Pin` name, thanks to `decl_macro`s being _fully_ hygienic (`def_site` hygiene).
-    Pin { pointer: &mut { $value } }
+    Pin::<&mut _> { pointer: &mut { $value } }
 }

Original file line number	Diff line number	Diff line change
`@@ -1146,5 +1146,5 @@ pub macro pin($value:expr $(,)?) {`
`1146`	`1146`	`//`
`1147`	`1147`	// Finally, we don't hit problems _w.r.t._ the privacy of the `pointer` field, or the
`1148`	`1148`	// unqualified `Pin` name, thanks to `decl_macro`s being _fully_ hygienic (`def_site` hygiene).
`1149`		`- Pin { pointer: &mut { $value } }`
	`1149`	`+ Pin::<&mut _> { pointer: &mut { $value } }`
`1150`	`1150`	`}`