bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/validation.rs')
-rw-r--r--crates/syntax/src/validation.rs17
1 files changed, 14 insertions, 3 deletions
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index 2dc86411e4..0377e7c0e6 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -315,10 +315,21 @@ fn validate_path_keywords(segment: ast::PathSegment, errors: &mut Vec<SyntaxErro
}
fn validate_trait_object_ref_ty(ty: ast::RefType, errors: &mut Vec<SyntaxError>) {
- if let Some(ast::Type::DynTraitType(ty)) = ty.ty() {
- if let Some(err) = validate_trait_object_ty(ty) {
- errors.push(err);
+ match ty.ty() {
+ Some(ast::Type::DynTraitType(ty)) => {
+ if let Some(err) = validate_trait_object_ty(ty) {
+ errors.push(err);
+ }
+ }
+ Some(ast::Type::ImplTraitType(ty)) => {
+ if ty.type_bound_list().map_or(0, |tbl| tbl.bounds().count()) == 0 {
+ errors.push(SyntaxError::new(
+ "At least one trait must be specified",
+ ty.syntax().text_range(),
+ ));
+ }
}
+ _ => {}
}
}