update
This commit is contained in:
parent
8f20f9b39b
commit
dbfb31c16e
1
.gitignore
vendored
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1
.gitignore
vendored
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/target
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75
Cargo.lock
generated
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75
Cargo.lock
generated
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "getrandom"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
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dependencies = [
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"cfg-if",
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"libc",
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"wasi",
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]
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[[package]]
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name = "guess_number"
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version = "0.1.0"
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dependencies = [
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"rand",
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]
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[[package]]
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name = "libc"
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version = "0.2.155"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
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[[package]]
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name = "ppv-lite86"
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version = "0.2.17"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
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[[package]]
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name = "rand"
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version = "0.8.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
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dependencies = [
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"libc",
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"rand_chacha",
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"rand_core",
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]
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[[package]]
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name = "rand_chacha"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
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dependencies = [
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"ppv-lite86",
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"rand_core",
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]
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[[package]]
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name = "rand_core"
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version = "0.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
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dependencies = [
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"getrandom",
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]
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[[package]]
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name = "wasi"
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version = "0.11.0+wasi-snapshot-preview1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
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7
Cargo.toml
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7
Cargo.toml
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[package]
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name = "guess_number"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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rand = "0.8.5"
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26
src/main.rs
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26
src/main.rs
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use std::io;
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use std::cmp::Ordering;
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use rand::Rng;
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fn main() {
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let number_range: std::ops::RangeInclusive<usize> = 1..=100;
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println!("Please enter a number to guess a number between {} and {} !",number_range.start(),number_range.end());
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let rand_number: usize = rand::thread_rng().gen_range(number_range).try_into().expect("random a number failed :(\n");
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let mut enter_string: String = String::new();
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let mut enter_number:usize;
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for i in 1..=6 {
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println!("The {} time input",i);
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enter_string.clear();
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io::stdin().read_line(&mut enter_string).expect("read the message you entered failed ! :(\n");
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enter_number = enter_string.trim().parse().expect("Parse the number you entered failed! :(\n");
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match enter_number.cmp(&rand_number) {
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Ordering::Less => println!("The number you entered was too small!"),
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Ordering::Equal => {
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println!("You win !\nThe number is {}",rand_number);
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return;
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},
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Ordering::Greater => println!("The number you entered was too big!")
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}
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}
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println!("You failed . \n The number is {}",rand_number);
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}
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