feat(clippy): add iter_without_into_iter (#9195)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
Co-authored-by: Roman Krasiuk <rokrassyuk@gmail.com>

Cargo.toml

@@ -206,6 +206,7 @@ zero_sized_map_values = "warn"
 single_char_pattern = "warn"
 needless_continue = "warn"
 enum_glob_use = "warn"
+iter_without_into_iter = "warn"
 
 # These are nursery lints which have findings. Allow them for now. Some are not
 # quite mature enough for use in our codebase and some we don't really want.

crates/primitives-traits/src/withdrawal.rs

@@ -65,6 +65,23 @@ impl Withdrawals {
     }
 }
 
+impl<'a> IntoIterator for &'a Withdrawals {
+    type Item = &'a Withdrawal;
+    type IntoIter = core::slice::Iter<'a, Withdrawal>;
+    fn into_iter(self) -> Self::IntoIter {
+        self.iter()
+    }
+}
+
+impl<'a> IntoIterator for &'a mut Withdrawals {
+    type Item = &'a mut Withdrawal;
+    type IntoIter = core::slice::IterMut<'a, Withdrawal>;
+
+    fn into_iter(self) -> Self::IntoIter {
+        self.iter_mut()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

crates/trie/trie/src/prefix_set/mod.rs

@@ -177,6 +177,14 @@ impl PrefixSet {
     }
 }
 
+impl<'a> IntoIterator for &'a PrefixSet {
+    type IntoIter = std::slice::Iter<'a, reth_trie_common::Nibbles>;
+    type Item = &'a reth_trie_common::Nibbles;
+    fn into_iter(self) -> Self::IntoIter {
+        self.iter()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;