feat: add first part of lifetimes

Author: mmvanheusden

Cargo.toml

@@ -97,3 +97,7 @@ path = "Experiments/NatuurkundeModellen/NatuurkundeModellen.rs"
 [[bin]]
 name = "GenericTypesTraitsLifetimes"
 path = "Experiments/GenericTypesTraitsLifetimes/GenericTypesTraitsLifetimes.rs"
+
+[[bin]]
+name = "Lifetimes"
+path = "Experiments/Lifetimes/Lifetimes.rs"

Experiments/Lifetimes/Lifetimes.rs

@@ -0,0 +1,7 @@
+#![allow(non_snake_case)]
+mod OutOfScope;
+
+/// lifetimesmsmsmsms
+fn main() {
+    // OutOfScope::main();
+}

Experiments/Lifetimes/OutOfScope.rs

@@ -0,0 +1,11 @@
+pub fn main() {
+    let r;
+
+    {
+        let x = 5;// WE create x that will be dropped later.
+        r = &x; // We create a reference to x.
+        // Because x gets out of scop, the reference to it (which is stored in r) becomes broken. x doesn't live long enough.
+    }
+
+    println!("r: {}", r);
+}

README.md

@@ -23,4 +23,16 @@ Make sure Cargo.toml stays tidy as the script will append the new experiment to
 I'm learning Rust because I want to learn a new language.  
 I see C being used a lot, and I want to learn a language that is similar to C, but with more modern features.  
 I also want to learn a language that has a good package manager and build system, and has a vibrant community.
-Rust seems to mark all the boxes.
+Rust seems to mark all the boxes.
+
+
+## Resources:
+
+* [The Rustonomicon](https://doc.rust-lang.org/nomicon/)  
+  *The Rustonomicon digs into all the awful details that you need to understand when writing Unsafe Rust programs.*
+* [Rust by Example](https://doc.rust-lang.org/rust-by-example/)  
+  *Rust by Example (RBE) is a collection of runnable examples that illustrate various Rust concepts and standard libraries.*
+* [The Rust Programming Language Book](https://doc.rust-lang.org/book/)  
+    *The Rust Programming Language is the official book about Rust, made by everyone.*
+* [Rustlings](https://rustlings.cool/)  
+  *Small exercises to get used to reading, writing and debugging Rust code.*