Another update from ingydotnet^djgoku

Task/String-matching/Rust/string-matching.rust

@@ -0,0 +1,22 @@
+fn print_match(possible_match: Option<usize>) {
+    match possible_match {
+        Some(match_pos) => println!("Found match at pos {}", match_pos),
+        None => println!("Did not find any matches")
+    }
+}
+
+fn main() {
+    let s1 = "abcd";
+    let s2 = "abab";
+    let s3 = "ab";
+
+    // Determining if the first string starts with second string
+    assert!(s1.starts_with(s3));
+    // Determining if the first string contains the second string at any location
+    assert!(s1.contains(s3));
+    // Print the location of the match
+    print_match(s1.find(s3)); // Found match at pos 0
+    print_match(s1.find(s2)); // Did not find any matches
+    // Determining if the first string ends with the second string
+    assert!(s2.ends_with(s3));
+}