Data commit

Task/Generic-swap/Rust/generic-swap-1.rust

@@ -0,0 +1,3 @@
+fn generic_swap<'a, T>(var1: &'a mut T, var2: &'a mut T) {
+    std::mem::swap(var1, var2)
+}

Task/Generic-swap/Rust/generic-swap-2.rust

@@ -0,0 +1,12 @@
+fn main() {
+    let mut a: String = "Alice".to_owned();
+    let mut b: String = "Bob".to_owned();
+    let mut c: i32 = 1;
+    let mut d: i32 = 2;
+
+    generic_swap(&mut a, &mut b);
+    generic_swap(&mut c, &mut d);
+
+    println!("a={}, b={}", a, b);
+    println!("c={}, d={}", c, d);
+}