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Use non deprecated functions in Chapter 2. Programming a Guessing Game #4217

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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ fn main() {
println!("Guess the number!");

// ANCHOR: ch07-04
let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);
// ANCHOR_END: ch07-04

println!("The secret number is: {secret_number}");
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ fn main() {
// ANCHOR_END: here
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

loop {
println!("Please input your guess.");
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

// ANCHOR: here
// --snip--
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ use std::{cmp::Ordering, io};
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

println!("The secret number is: {secret_number}");

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2 changes: 1 addition & 1 deletion listings/ch09-error-handling/listing-09-13/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

loop {
println!("Please input your guess.");
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ use std::io;
fn main() {
println!("Guess the number!");

let secret_number = rand::thread_rng().gen_range(1..=100);
let secret_number = rand::rng().random_range(1..=100);

// ANCHOR: here
loop {
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6 changes: 3 additions & 3 deletions src/ch02-00-guessing-game-tutorial.md
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Expand Up @@ -528,12 +528,12 @@ random number generators implement, and this trait must be in scope for us to
use those methods. Chapter 10 will cover traits in detail.

Next, we’re adding two lines in the middle. In the first line, we call the
`rand::thread_rng` function that gives us the particular random number
`rand::rng` function that gives us the particular random number
generator we’re going to use: one that is local to the current thread of
execution and is seeded by the operating system. Then we call the `gen_range`
execution and is seeded by the operating system. Then we call the `random_range`
method on the random number generator. This method is defined by the `Rng`
trait that we brought into scope with the `use rand::Rng;` statement. The
`gen_range` method takes a range expression as an argument and generates a
`random_range` method takes a range expression as an argument and generates a
random number in the range. The kind of range expression we’re using here takes
the form `start..=end` and is inclusive on the lower and upper bounds, so we
need to specify `1..=100` to request a number between 1 and 100.
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