Sync LeetCode submission - Reverse Vowels of a String (rust)

Author: JMoogs

problems/reverse_vowels_of_a_string/solution.rs

@@ -0,0 +1,25 @@
+impl Solution {
+    pub fn reverse_vowels(s: String) -> String {
+        let mut vowels = Vec::new();
+        for c in s.chars() {
+            if is_vowel(&c) {
+                vowels.push(c);
+            }
+        }
+
+        s.chars()
+            .map(|x| {
+                if is_vowel(&x) {
+                    vowels.pop().unwrap()
+                } else {
+                    x
+                }
+            })
+            .collect()
+    }
+}
+
+#[inline(always)]
+fn is_vowel(c: &char) -> bool {
+    ['a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'].contains(c)
+}