Refactored iterator usage.

Author: DariuszDepta

packages/go-gen/src/utils.rs

@@ -2,7 +2,7 @@
 ///
 /// It starts with the full string and ends with the last character.
 /// It is a double-ended iterator and can be reversed.
-pub fn suffixes(s: &str) -> impl Iterator<Item = &str> + DoubleEndedIterator {
+pub fn suffixes(s: &str) -> impl DoubleEndedIterator<Item = &str> {
     s.char_indices().map(|(pos, _)| &s[pos..])
 }