Improve error message on empty parens inside parse_nested_meta

dtolnay · Mar 28, 2023 · 0b7da96 · 0b7da96
1 parent 0296180
commit 0b7da96
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/meta.rs b/src/meta.rs
@@ -401,6 +401,8 @@ fn parse_meta_path(input: ParseStream) -> Result<Path> {
             if input.peek(Ident::peek_any) {
                 let ident = Ident::parse_any(input)?;
                 segments.push_value(PathSegment::from(ident));
+            } else if input.is_empty() {
+                return Err(input.error("expected nested attribute"));
             } else if input.peek(Lit) {
                 return Err(input.error("unexpected literal in nested attribute, expected ident"));
             } else {