Complete reverse string

reverse-string/Cargo.toml

@@ -1,4 +1,5 @@
 [dependencies]
+unicode-segmentation = "1.10.1"
 
 [features]
 grapheme = []

reverse-string/src/lib.rs

@@ -1,3 +1,8 @@
+use unicode_segmentation::UnicodeSegmentation;
 pub fn reverse(input: &str) -> String {
-    unimplemented!("Write a function to reverse {}", input);
+    let mut output:String = String::new();
+    for i in input.graphemes(true).rev(){
+        output.push_str(i);
+    }
+    output
 }

reverse-string/tests/reverse-string.rs

@@ -19,49 +19,42 @@ fn test_an_empty_string() {
 }
 
 #[test]
-#[ignore]
 /// a word
 fn test_a_word() {
     process_reverse_case("robot", "tobor");
 }
 
 #[test]
-#[ignore]
 /// a capitalized word
 fn test_a_capitalized_word() {
     process_reverse_case("Ramen", "nemaR");
 }
 
 #[test]
-#[ignore]
 /// a sentence with punctuation
 fn test_a_sentence_with_punctuation() {
     process_reverse_case("I'm hungry!", "!yrgnuh m'I");
 }
 
 #[test]
-#[ignore]
 /// a palindrome
 fn test_a_palindrome() {
     process_reverse_case("racecar", "racecar");
 }
 
 #[test]
-#[ignore]
 /// an even-sized word
 fn test_an_even_sized_word() {
     process_reverse_case("drawer", "reward");
 }
 
 #[test]
-#[ignore]
 /// wide characters
 fn test_wide_characters() {
     process_reverse_case("子猫", "猫子");
 }
 
 #[test]
-#[ignore]
 #[cfg(feature = "grapheme")]
 /// grapheme clusters
 fn test_grapheme_clusters() {