getting started

guessing_game/Cargo.toml

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+[package]
+name = "guessing_game"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+rand = "0.8.5"

guessing_game/src/main.rs

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+// rewriting the guessing game myself
+// pseudocode:
+// DONE 1. generate a secret number
+// DONE 2. take input from user
+// DONE 3. validate the input
+// DONE 4. compare the input
+// DONE 5. give feedback to user (guess is too big or small)
+// DONE 6. if their guess is correct, say so and quit the program
+
+use rand::{Rng, thread_rng};
+use std::io;
+
+fn main() {
+    let secret = thread_rng().gen_range(0..10);
+
+    println!("welcome to the guessing game!");
+    println!("we have selected a number from 1 to 10");
+
+    loop {
+        let mut guess = String::new();
+
+        println!("\nwhat's the number? ");
+
+        io::stdin()
+            .read_line(&mut guess)
+            .expect("failed to read line!");
+
+        let guess: u32 = match guess.trim().parse() {
+            Ok(num) => num,
+            Err(_) => {
+                println!("WARN: please only enter numbers!");
+                continue;
+            }
+        };
+
+        if guess > secret {
+            println!("your guess {} is higher!", guess);
+        } else if guess < secret {
+            println!("your guess {} is lower!", guess);
+        } else {
+            println!("that's right!");
+            break;
+        }
+    }
+}

hello_cargo/Cargo.toml

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+[package]
+name = "hello_cargo"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

hello_cargo/src/main.rs

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+fn main() {
+    println!("Hello world!");
+}

hello_world/main.rs

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+fn main() {
+    println!("Hello world!");
+}