Shorten iterator hints for std::iter iterators behind references

2 files changed, 5 insertions, 3 deletions

diff --git a/crates/assists/src/utils.rs b/crates/assists/src/utils.rs
index 92b3c3b00..c074b8d02 100644
--- a/crates/assists/src/utils.rs
+++ b/crates/assists/src/utils.rs
@@ -308,7 +308,7 @@ pub mod iter {
                 }
             }
         }
-        pub(crate) mod collect {            
+        pub(crate) mod collect {
             pub trait IntoIterator {
                 type Item;
             }
diff --git a/crates/ide/src/inlay_hints.rs b/crates/ide/src/inlay_hints.rs
index 279d02541..7540f56a4 100644
--- a/crates/ide/src/inlay_hints.rs
+++ b/crates/ide/src/inlay_hints.rs
@@ -211,7 +211,9 @@ fn hint_iterator(
     ty: &Type,
 ) -> Option<SmolStr> {
     let db = sema.db;
-    let strukt = ty.as_adt()?;
+    let strukt = std::iter::successors(Some(ty.clone()), |ty| ty.remove_ref())
+        .last()
+        .and_then(|strukt| strukt.as_adt())?;
     let krate = strukt.krate(db)?;
     if krate.declaration_name(db).as_deref() != Some("core") {
         return None;
@@ -1169,7 +1171,7 @@ fn main() {
                     InlayHint {
                         range: 175..225,
                         kind: ChainingHint,
-                        label: "&mut Take<&mut MyIter>",
+                        label: "impl Iterator<Item = ()>",
                     },
                     InlayHint {
                         range: 175..207,