[Clippy] Swap iter_over_hash_type to use diagnostic items instead of paths

Author: GnomedDev

std/src/collections/hash/map.rs

@@ -1393,6 +1393,7 @@ where
 /// let iter = map.iter();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_iter_ty")]
 pub struct Iter<'a, K: 'a, V: 'a> {
     base: base::Iter<'a, K, V>,
 }
@@ -1431,6 +1432,7 @@ impl<K: Debug, V: Debug> fmt::Debug for Iter<'_, K, V> {
 /// let iter = map.iter_mut();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_iter_mut_ty")]
 pub struct IterMut<'a, K: 'a, V: 'a> {
     base: base::IterMut<'a, K, V>,
 }
@@ -1491,6 +1493,7 @@ impl<K, V> IntoIter<K, V> {
 /// let iter_keys = map.keys();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_keys_ty")]
 pub struct Keys<'a, K: 'a, V: 'a> {
     inner: Iter<'a, K, V>,
 }
@@ -1529,6 +1532,7 @@ impl<K: Debug, V> fmt::Debug for Keys<'_, K, V> {
 /// let iter_values = map.values();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_values_ty")]
 pub struct Values<'a, K: 'a, V: 'a> {
     inner: Iter<'a, K, V>,
 }
@@ -1567,6 +1571,7 @@ impl<K, V: Debug> fmt::Debug for Values<'_, K, V> {
 /// let iter = map.drain();
 /// ```
 #[stable(feature = "drain", since = "1.6.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_drain_ty")]
 pub struct Drain<'a, K: 'a, V: 'a> {
     base: base::Drain<'a, K, V>,
 }
@@ -1624,6 +1629,7 @@ where
 /// let iter_values = map.values_mut();
 /// ```
 #[stable(feature = "map_values_mut", since = "1.10.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashmap_values_mut_ty")]
 pub struct ValuesMut<'a, K: 'a, V: 'a> {
     inner: IterMut<'a, K, V>,
 }

std/src/collections/hash/set.rs

@@ -1271,6 +1271,7 @@ where
 /// let mut iter = a.iter();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashset_iter_ty")]
 pub struct Iter<'a, K: 'a> {
     base: base::Iter<'a, K>,
 }
@@ -1313,6 +1314,7 @@ pub struct IntoIter<K> {
 /// let mut drain = a.drain();
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "hashset_drain_ty")]
 pub struct Drain<'a, K: 'a> {
     base: base::Drain<'a, K>,
 }