functions/src/main.rs

@@ -1,11 +1,8 @@
 fn main() {
-    print_labeled_measurement(37, 'h');
+    let x = plus_one(5);
-}
 
-fn another_function(x: i32) {
     println!("The value of x is: {x}");
 }
-
+fn plus_one(x: i32) -> i32 {
-fn print_labeled_measurement(value: i32, unit_label: char) {
+    x + 1
-    println!("The measurement is: {value}{unit_label}");
 }

old_functions/Cargo.lock

@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "functions"
-version = "0.1.0"

old_functions/Cargo.toml

@@ -1,8 +0,0 @@
-[package]
-name = "functions"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]

old_functions/src/main.rs

@@ -1,8 +0,0 @@
-fn main() {
-    let x = plus_one(5);
-
-    println!("The value of x is: {x}");
-}
-fn plus_one(x: i32) -> i32 {
-    x + 1
-}

old_variables/Cargo.lock

@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "variables"
-version = "0.1.0"

old_variables/Cargo.toml

@@ -1,8 +0,0 @@
-[package]
-name = "variables"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]

old_variables/src/main.rs

@@ -1,27 +0,0 @@
-use std::io;
-
-fn main() {
-    let a = [1, 2, 3, 4, 5];
-
-    println!("Please enter an array index.");
-
-    let mut index = String::new();
-
-    io::stdin()
-        .read_line(&mut index)
-        .expect("Failed to read line");
-
-    let index: usize = match {index.trim().parse()} {
-        Ok(x) => x,
-        Err(_) => {println!("expected an index, got \"{:}\". assuming 0", index.trim()); 0},
-    };
-
-    println!("got value {index}");
-
-    let element = a[index];
-
-    /* this is a 
-     * multiline
-     * comment */
-    println!("The value of the element at index {index} is: {element}");
-}

variables/src/main.rs

@@ -1,11 +1,27 @@
+use std::io;
+
 fn main() {
-    let x = 5;
+    let a = [1, 2, 3, 4, 5];
-    let x = x + 1;
 
-    {
+    println!("Please enter an array index.");
-        let x=x*2;
-        println!("The value of x in the inner scope is: {x}");
-    }
 
-    println!("The value of x is: {x}");
+    let mut index = String::new();
+
+    io::stdin()
+        .read_line(&mut index)
+        .expect("Failed to read line");
+
+    let index: usize = match {index.trim().parse()} {
+        Ok(x) => x,
+        Err(_) => {println!("expected an index, got \"{:}\". assuming 0", index.trim()); 0},
+    };
+
+    println!("got value {index}");
+
+    let element = a[index];
+
+    /* this is a 
+     * multiline
+     * comment */
+    println!("The value of the element at index {index} is: {element}");
 }