add a check that Summary is Sync

Eh2406 · Eh2406 · commit c27579a584c4 · 2024-07-17T14:34:34.000Z
diff --git a/src/cargo/core/summary.rs b/src/cargo/core/summary.rs
@@ -178,6 +178,12 @@ impl Hash for Summary {
     }
 }
 
+// A check that only compiles if Summary is Sync
+const _: fn() = || {
+    fn is_sync<T: Sync>() {}
+    is_sync::<Summary>();
+};
+
 /// Checks features for errors, bailing out a CargoResult:Err if invalid,
 /// and creates FeatureValues for each feature.
 fn build_feature_map(

Original file line number	Diff line number	Diff line change
`@@ -178,6 +178,12 @@ impl Hash for Summary {`
`178`	`178`	`}`
`179`	`179`	`}`
`180`	`180`
	`181`	`+// A check that only compiles if Summary is Sync`
	`182`	`+const _: fn() = \|\| {`
	`183`	`+ fn is_sync<T: Sync>() {}`
	`184`	`+ is_sync::<Summary>();`
	`185`	`+};`
	`186`	`+`
`181`	`187`	`/// Checks features for errors, bailing out a CargoResult:Err if invalid,`
`182`	`188`	`/// and creates FeatureValues for each feature.`
`183`	`189`	`fn build_feature_map(`