Update listing code in ch02

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

@@ -25,7 +25,7 @@ fn main() {
     // ANCHOR_END: expect
 
     // ANCHOR: print_guess
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
     // ANCHOR_END: print_guess
 }
 // ANCHOR: all

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

@@ -11,5 +11,5 @@ fn main() {
         .read_line(&mut guess)
         .expect("Failed to read line");
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
 }

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

@@ -8,10 +8,10 @@ fn main() {
     println!("Guess the number!");
 
     // ANCHOR: ch07-04
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
     // ANCHOR_END: ch07-04
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     println!("Please input your guess.");
 
@@ -21,7 +21,7 @@ fn main() {
         .read_line(&mut guess)
         .expect("Failed to read line");
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
     // ANCHOR: ch07-04
 }
 // ANCHOR_END: ch07-04

listings/ch02-guessing-game-tutorial/listing-02-04/output.txt

@@ -19,7 +19,7 @@ error[E0308]: mismatched types
 error[E0283]: type annotations needed for `{integer}`
    --> src/main.rs:8:44
     |
-8   |     let secret_number = rand::thread_rng().gen_range(1..101);
+8   |     let secret_number = rand::thread_rng().gen_range(1..=100);
     |         -------------                      ^^^^^^^^^ cannot infer type for type `{integer}`
     |         |
     |         consider giving `secret_number` a type
@@ -37,7 +37,7 @@ note: required by a bound in `gen_range`
     |            ^^^^^^^^^^^^^ required by this bound in `gen_range`
 help: consider specifying the type arguments in the function call
     |
-8   |     let secret_number = rand::thread_rng().gen_range::<T, R>(1..101);
+8   |     let secret_number = rand::thread_rng().gen_range::<T, R>(1..=100);
     |                                                     ++++++++
 
 Some errors have detailed explanations: E0283, E0308.

listings/ch02-guessing-game-tutorial/listing-02-04/src/main.rs

@@ -8,9 +8,9 @@ fn main() {
     // ANCHOR_END: here
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     println!("Please input your guess.");
 
@@ -21,7 +21,7 @@ fn main() {
         .expect("Failed to read line");
     // ANCHOR: here
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
 
     match guess.cmp(&secret_number) {
         Ordering::Less => println!("Too small!"),

listings/ch02-guessing-game-tutorial/listing-02-05/src/main.rs

@@ -5,9 +5,9 @@ use std::io;
 fn main() {
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     loop {
         println!("Please input your guess.");
@@ -28,7 +28,7 @@ fn main() {
         };
         // ANCHOR_END: ch19
 
-        println!("You guessed: {}", guess);
+        println!("You guessed: {guess}");
 
         // --snip--
         // ANCHOR_END: here

listings/ch02-guessing-game-tutorial/listing-02-06/src/main.rs

@@ -5,7 +5,7 @@ use std::io;
 fn main() {
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
     loop {
         println!("Please input your guess.");
@@ -21,7 +21,7 @@ fn main() {
             Err(_) => continue,
         };
 
-        println!("You guessed: {}", guess);
+        println!("You guessed: {guess}");
 
         match guess.cmp(&secret_number) {
             Ordering::Less => println!("Too small!"),

listings/ch02-guessing-game-tutorial/no-listing-02-without-expect/src/main.rs

@@ -9,5 +9,5 @@ fn main() {
 
     io::stdin().read_line(&mut guess);
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
 }

listings/ch02-guessing-game-tutorial/no-listing-03-convert-string-to-number/src/main.rs

@@ -5,9 +5,9 @@ use std::io;
 fn main() {
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     println!("Please input your guess.");
 
@@ -22,7 +22,7 @@ fn main() {
 
     let guess: u32 = guess.trim().parse().expect("Please type a number!");
 
-    println!("You guessed: {}", guess);
+    println!("You guessed: {guess}");
 
     match guess.cmp(&secret_number) {
         Ordering::Less => println!("Too small!"),

listings/ch02-guessing-game-tutorial/no-listing-04-looping/src/main.rs

@@ -5,12 +5,12 @@ use std::io;
 fn main() {
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
     // ANCHOR: here
     // --snip--
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     loop {
         println!("Please input your guess.");
@@ -27,7 +27,7 @@ fn main() {
 
         let guess: u32 = guess.trim().parse().expect("Please type a number!");
 
-        println!("You guessed: {}", guess);
+        println!("You guessed: {guess}");
 
         // ANCHOR: here
         match guess.cmp(&secret_number) {

listings/ch02-guessing-game-tutorial/no-listing-05-quitting/src/main.rs

@@ -5,9 +5,9 @@ use std::io;
 fn main() {
     println!("Guess the number!");
 
-    let secret_number = rand::thread_rng().gen_range(1..101);
+    let secret_number = rand::thread_rng().gen_range(1..=100);
 
-    println!("The secret number is: {}", secret_number);
+    println!("The secret number is: {secret_number}");
 
     loop {
         println!("Please input your guess.");
@@ -20,7 +20,7 @@ fn main() {
 
         let guess: u32 = guess.trim().parse().expect("Please type a number!");
 
-        println!("You guessed: {}", guess);
+        println!("You guessed: {guess}");
 
         // ANCHOR: here
         // --snip--