Initial commit

exercises/22_clippy/clippy3.rs

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+// Here are some more easy Clippy fixes so you can see its utility 📎
+// TODO: Fix all the Clippy lints.
+
+#[rustfmt::skip]
+#[allow(unused_variables, unused_assignments)]
+fn main() {
+    let my_option: Option<()> = None;
+    if let Some(value) = my_option {
+        println!("{my_option:?}");
+    }
+
+    let my_arr = &[
+        -1, -2, -3,
+        -4, -5, -6
+    ];
+    println!("My array! Here it is: {my_arr:?}");
+
+    let mut my_empty_vec = vec![1, 2, 3, 4, 5];
+    my_empty_vec.clear();
+    println!("This Vec is empty, see? {my_empty_vec:?}");
+
+    let mut value_a = 45;
+    let mut value_b = 66;
+    // Let's swap these two!
+    // value_a = value_b;
+    // value_b = value_a;
+    std::mem::swap(&mut value_a, &mut value_b);
+    println!("value a: {value_a}; value b: {value_b}");
+}