`signature_help`: detect fully qualified call syntax for parameter fallback
@@ -129,7 +129,7 @@ fn signature_help_for_call(
hir::CallableKind::Function(func) => {
res.doc = func.docs(db).map(|it| it.into());
format_to!(res.signature, "fn {}", func.name(db));
- fn_params = Some(match func.self_param(db) {
+ fn_params = Some(match callable.receiver_param(db) {
Some(_self) => func.params_without_self(db),
None => func.assoc_fn_params(db),
});
@@ -1142,4 +1142,20 @@ fn f() {
"#]],
);
}
+
+ #[test]
+ fn fully_qualified_syntax() {
+ check(
+ r#"
+fn f() {
+ trait A { fn foo(&self, other: Self); }
+ A::foo(&self$0, other);
+}
+"#,
+ expect![[r#"
+ fn foo(self: &Self, other: Self)
+ ^^^^^^^^^^^ -----------
+ "#]],
+ );
+ }
}
