valid-anagram

valid-anagram/sol.rs

@@ -0,0 +1,17 @@
+// For unicode hashmaps may be used
+impl Solution {
+    pub fn is_anagram(s: String, t: String) -> bool {
+        let mut s_map = s.bytes()
+            .fold([0; 26], |mut map, chr| {
+                map[chr as usize - 97] += 1;
+                map
+            });
+        t.bytes()
+            .fold(s_map, |mut map, chr| {
+                map[chr as usize - 97] -= 1;
+                map
+            })
+            .iter()
+            .all(|&count| count == 0)
+    }
+}