Add test of const-generic unit struct where-clause edge case

dtolnay · dtolnay · commit 662fc3861cfe · 2023-07-09T18:01:43.000-07:00
Closes #2501.
diff --git a/test_suite/tests/test_gen.rs b/test_suite/tests/test_gen.rs
@@ -760,6 +760,10 @@ fn test_gen() {
         #[serde(serialize_with = "vec_first_element")]
         vec: Vec<Self>,
     }
+
+    #[derive(Deserialize)]
+    #[serde(bound(deserialize = "[&'de str; N]: Copy"))]
+    struct GenericUnitStruct<const N: usize>;
 }
 
 //////////////////////////////////////////////////////////////////////////

Original file line number	Diff line number	Diff line change
`@@ -760,6 +760,10 @@ fn test_gen() {`
`760`	`760`	`#[serde(serialize_with = "vec_first_element")]`
`761`	`761`	`vec: Vec<Self>,`
`762`	`762`	`}`
	`763`	`+`
	`764`	`+ #[derive(Deserialize)]`
	`765`	`+ #[serde(bound(deserialize = "[&'de str; N]: Copy"))]`
	`766`	`+ struct GenericUnitStruct<const N: usize>;`
`763`	`767`	`}`
`764`	`768`
`765`	`769`	`//////////////////////////////////////////////////////////////////////////`