fix: add assertion for empty field back

CurryPseudo · CurryPseudo · commit d50eb1d56351 · 2021-12-08T15:25:57.000+08:00
diff --git a/soa-derive-internal/src/input.rs b/soa-derive-internal/src/input.rs
@@ -179,6 +179,10 @@ impl Input {
                 }
             }
             _ => panic!("#[derive(StructOfArray)] only supports struct"),
+        };
+
+        if fields.is_empty() {
+            panic!("#[derive(StructOfArray)] only supports struct with fields");
         }
 
         let mut extra_attrs = ExtraAttributes::new();

Original file line number	Diff line number	Diff line change
`@@ -179,6 +179,10 @@ impl Input {`
`179`	`179`	`}`
`180`	`180`	`}`
`181`	`181`	`_ => panic!("#[derive(StructOfArray)] only supports struct"),`
	`182`	`+ };`
	`183`	`+`
	`184`	`+ if fields.is_empty() {`
	`185`	`+ panic!("#[derive(StructOfArray)] only supports struct with fields");`
`182`	`186`	`}`
`183`	`187`
`184`	`188`	`let mut extra_attrs = ExtraAttributes::new();`