3 files changed, 0 insertions, 71 deletions
diff --git a/rustlings/solutions/16_lifetimes/lifetimes1.rs b/rustlings/solutions/16_lifetimes/lifetimes1.rs
deleted file mode 100644
index 4f56834..0000000
--- a/rustlings/solutions/16_lifetimes/lifetimes1.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-// The Rust compiler needs to know how to check whether supplied references are
-// valid, so that it can let the programmer know if a reference is at risk of
-// going out of scope before it is used. Remember, references are borrows and do
-// not own their own data. What if their owner goes out of scope?
-
-fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
-    //    ^^^^     ^^          ^^          ^^
-    if x.len() > y.len() { x } else { y }
-}
-
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_longest() {
-        assert_eq!(longest("abcd", "123"), "abcd");
-        assert_eq!(longest("abc", "1234"), "1234");
-    }
-}
diff --git a/rustlings/solutions/16_lifetimes/lifetimes2.rs b/rustlings/solutions/16_lifetimes/lifetimes2.rs
deleted file mode 100644
index 3ca4909..0000000
--- a/rustlings/solutions/16_lifetimes/lifetimes2.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
-    if x.len() > y.len() { x } else { y }
-}
-
-fn main() {
-    let string1 = String::from("long string is long");
-    // Solution1: You can move `strings2` out of the inner block so that it is
-    // not dropped before the print statement.
-    let string2 = String::from("xyz");
-    let result;
-    {
-        result = longest(&string1, &string2);
-    }
-    println!("The longest string is '{result}'");
-    // `string2` dropped at the end of the function.
-
-    // =========================================================================
-
-    let string1 = String::from("long string is long");
-    let result;
-    {
-        let string2 = String::from("xyz");
-        result = longest(&string1, &string2);
-        // Solution2: You can move the print statement into the inner block so
-        // that it is executed before `string2` is dropped.
-        println!("The longest string is '{result}'");
-        // `string2` dropped here (end of the inner scope).
-    }
-}
diff --git a/rustlings/solutions/16_lifetimes/lifetimes3.rs b/rustlings/solutions/16_lifetimes/lifetimes3.rs
deleted file mode 100644
index 16a5a68..0000000
--- a/rustlings/solutions/16_lifetimes/lifetimes3.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-// Lifetimes are also needed when structs hold references.
-
-struct Book<'a> {
-    //     ^^^^ added a lifetime annotation
-    author: &'a str,
-    //       ^^
-    title: &'a str,
-    //      ^^
-}
-
-fn main() {
-    let book = Book {
-        author: "George Orwell",
-        title: "1984",
-    };
-
-    println!("{} by {}", book.title, book.author);
-}