Add listings

listings/ch02-guessing-game-tutorial/listing-02-01/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "guessing_game"
+version = "0.1.0"
+authors = ["Your Name <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

listings/ch02-guessing-game-tutorial/listing-02-01/src/main.rs

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+// ANCHOR: all
+// ANCHOR: io
+use std::io;
+// ANCHOR_END: io
+
+// ANCHOR: main
+fn main() {
+    // ANCHOR_END: main
+    // ANCHOR: print
+    println!("Guess the number!");
+
+    println!("Please input your guess.");
+    // ANCHOR_END: print
+
+    // ANCHOR: string
+    let mut guess = String::new();
+    // ANCHOR_END: string
+
+    // ANCHOR: read
+    io::stdin()
+        .read_line(&mut guess)
+        // ANCHOR_END: read
+        // ANCHOR: expect
+        .expect("Failed to read line");
+    // ANCHOR_END: expect
+
+    // ANCHOR: print_guess
+    println!("You guessed: {}", guess);
+    // ANCHOR_END: print_guess
+}
+// ANCHOR: all

listings/ch02-guessing-game-tutorial/listing-02-02/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "guessing_game"
+version = "0.1.0"
+authors = ["Your Name <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.5.5"

listings/ch02-guessing-game-tutorial/listing-02-02/src/main.rs

@@ -0,0 +1,15 @@
+use std::io;
+
+fn main() {
+    println!("Guess the number!");
+
+    println!("Please input your guess.");
+
+    let mut guess = String::new();
+
+    io::stdin()
+        .read_line(&mut guess)
+        .expect("Failed to read line");
+
+    println!("You guessed: {}", guess);
+}

listings/ch02-guessing-game-tutorial/listing-02-03/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "guessing_game"
+version = "0.1.0"
+authors = ["Your Name <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.5.5"

listings/ch02-guessing-game-tutorial/listing-02-03/src/main.rs

@@ -0,0 +1,28 @@
+// ANCHOR: all
+use std::io;
+// ANCHOR: ch07-04
+use rand::Rng;
+
+fn main() {
+    // ANCHOR_END: ch07-04
+    println!("Guess the number!");
+
+    // ANCHOR: ch07-04
+    let secret_number = rand::thread_rng().gen_range(1, 101);
+    // ANCHOR_END: ch07-04
+
+    println!("The secret number is: {}", secret_number);
+
+    println!("Please input your guess.");
+
+    let mut guess = String::new();
+
+    io::stdin()
+        .read_line(&mut guess)
+        .expect("Failed to read line");
+
+    println!("You guessed: {}", guess);
+    // ANCHOR: ch07-04
+}
+// ANCHOR_END: ch07-04
+// ANCHOR_END: all

listings/ch02-guessing-game-tutorial/listing-02-04/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "guessing_game"
+version = "0.1.0"
+authors = ["Your Name <[email protected]>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.5.5"