Data commit

Task/Substring-Top-and-tail/Rust/substring-top-and-tail-1.rust

@@ -0,0 +1,16 @@
+fn main() {
+    let s = String::from("žluťoučký kůň");
+
+    let mut modified = s.clone();
+    modified.remove(0);
+    println!("{}", modified);
+
+    let mut modified = s.clone();
+    modified.pop();
+    println!("{}", modified);
+
+    let mut modified = s;
+    modified.remove(0);
+    modified.pop();
+    println!("{}", modified);
+}

Task/Substring-Top-and-tail/Rust/substring-top-and-tail-2.rust

@@ -0,0 +1,28 @@
+fn main() {
+    let s = "žluťoučký kůň";
+
+    println!(
+        "{}",
+        s.char_indices()
+            .nth(1)
+            .map(|(i, _)| &s[i..])
+            .unwrap_or_default()
+    );
+
+    println!(
+        "{}",
+        s.char_indices()
+            .nth_back(0)
+            .map(|(i, _)| &s[..i])
+            .unwrap_or_default()
+    );
+
+    println!(
+        "{}",
+        s.char_indices()
+            .nth(1)
+            .and_then(|(i, _)| s.char_indices().nth_back(0).map(|(j, _)| i..j))
+            .map(|range| &s[range])
+            .unwrap_or_default()
+    );
+}