From d25398b3bf999d24d9a4a0c742c8ee4d445d77f8 Mon Sep 17 00:00:00 2001 From: ehlxr Date: Tue, 23 Nov 2021 18:32:43 +0800 Subject: [PATCH] update at 2021-11-23 18:32:43 by ehlxr --- src/main.rs | 88 ++++++-------------------------------------------- src/sub_mod.rs | 65 +++++++++++++++++++++++++++++++++++++ src/user.rs | 7 ++++ 3 files changed, 82 insertions(+), 78 deletions(-) create mode 100644 src/sub_mod.rs create mode 100644 src/user.rs diff --git a/src/main.rs b/src/main.rs index 31d0880..d526bdd 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,10 +1,13 @@ +mod sub_mod; +mod user; + use std::cell::RefCell; use std::hash::Hash; use std::ops::Deref; use std::rc::{Rc, Weak}; use std::sync::{mpsc, Arc, Mutex}; use std::time::Duration; -use std::{collections::HashMap, fmt::Display, fs, fs::File, io, io::ErrorKind, thread}; +use std::{collections::HashMap, fmt::Display, fs::File, io, io::ErrorKind, thread}; fn main() { let mut s = String::from("Hello"); @@ -87,8 +90,8 @@ fn main() { println!("----------------------------------------"); let my_str = String::from("hello world!"); // let my_str = "hello world!"; - println!("{}, {}", my_str, first_words(&my_str[..])); - println!("get first word: {}", first_words("hello world")); + println!("{}, {}", my_str, sub_mod::first_words(&my_str[..])); + println!("get first word: {}", sub_mod::first_words("hello world")); let rect = Rectangle { width: 21, @@ -293,7 +296,7 @@ fn main() { d(&mut s); println!("{}", s); - generate_workout(10, 3); + sub_mod::generate_workout(10, 3); // --------------------------- println!("----------------------------------------"); @@ -602,7 +605,7 @@ fn main() { let x: u32 = 5; let point = (3, x as i32); - print_coordinates(&point); + sub_mod::print_coordinates(&point); // --------------------------- println!("---------------------------"); @@ -812,7 +815,7 @@ fn main() { let mut v = vec![1, 2, 3, 4, 5, 6]; let r = &mut v[..]; let (_a, _b) = r.split_at_mut(3); - let (a, b) = split_at_mut(r, 3); + let (a, b) = sub_mod::split_at_mut(r, 3); println!("{:?}", a); println!("{:?}", b); @@ -935,7 +938,7 @@ fn main() { // Pancakes::hello_macro(); - let user1 = User { + let user1 = user::User { username: String::from("hllo"), email: String::from("hell@world.com"), sign_in_count: 1, @@ -1105,14 +1108,6 @@ fn test_tuple(t: (i32, &str)) { println!("{} {}", t.0, t.1); } -#[derive(Debug)] -struct User { - username: String, - email: String, - sign_in_count: u64, - active: bool, -} - static mut COUNTER: u32 = 0; fn add_to_count(inc: u32) { @@ -1124,29 +1119,6 @@ fn add_to_count(inc: u32) { use core::fmt; use std::fmt::Formatter; use std::io::Read; -use std::slice; - -fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { - // let len = slice.len(); - // assert!(mid <= len); - // (&mut slice[..mid], &mut slice[mid..]) - - let len = slice.len(); - let ptr = slice.as_mut_ptr(); - - assert!(mid <= len); - - unsafe { - ( - slice::from_raw_parts_mut(ptr, mid), - slice::from_raw_parts_mut(ptr.offset(mid as isize), len - mid), - ) - } -} - -fn print_coordinates(&(x, y): &(i32, i32)) { - println!("Current location: ({}, {})", x, y); -} #[derive(Debug)] struct Bt { @@ -1284,18 +1256,6 @@ impl Message { } } -//fn first_words<'a>(s: &'a str) -> &'a str { -fn first_words(s: &str) -> &str { - let b = s.as_bytes(); - for (i, &item) in b.iter().enumerate() { - if item == b' ' { - return &s[0..i]; - } - } - - &s[..] -} - #[derive(Debug)] struct Rectangle { width: u32, @@ -1573,34 +1533,6 @@ where } } -fn generate_workout(intensity: u32, random_number: u32) { - // let calculation = |num: u32| -> u32 { - // println!("calculating slowly..."); - // thread::sleep(Duration::from_secs(2)); - // num - // }; - - let mut expensive_result = Cacher::new(|num| { - println!("calculating slowly..."); - thread::sleep(Duration::from_millis(500)); - num + 1 - }); - - if intensity < 25 { - println!("Today, do {} pushups!", expensive_result.value(intensity)); - println!("Next, do {} situps!", expensive_result.value(intensity)); - } else { - if random_number == 3 { - println!("Take a break today! Remember to stay hydrated!"); - } else { - println!( - "Today, run for {} minutes!", - expensive_result.value(intensity) - ); - } - } -} - #[derive(Debug)] struct Shoe { size: u32, diff --git a/src/sub_mod.rs b/src/sub_mod.rs new file mode 100644 index 0000000..d10d7ee --- /dev/null +++ b/src/sub_mod.rs @@ -0,0 +1,65 @@ +use std::{slice, thread, time::Duration}; + +use crate::Cacher; + +pub fn split_at_mut(slice: &mut [i32], mid: usize) -> (&mut [i32], &mut [i32]) { + // let len = slice.len(); + // assert!(mid <= len); + // (&mut slice[..mid], &mut slice[mid..]) + + let len = slice.len(); + let ptr = slice.as_mut_ptr(); + + assert!(mid <= len); + + unsafe { + ( + slice::from_raw_parts_mut(ptr, mid), + slice::from_raw_parts_mut(ptr.offset(mid as isize), len - mid), + ) + } +} + +//pub fn first_words<'a>(s: &'a str) -> &'a str { +pub fn first_words(s: &str) -> &str { + let b = s.as_bytes(); + for (i, &item) in b.iter().enumerate() { + if item == b' ' { + return &s[0..i]; + } + } + + &s[..] +} + +pub fn generate_workout(intensity: u32, random_number: u32) { + // let calculation = |num: u32| -> u32 { + // println!("calculating slowly..."); + // thread::sleep(Duration::from_secs(2)); + // num + // }; + + let mut expensive_result = Cacher::new(|num| { + println!("calculating slowly..."); + thread::sleep(Duration::from_millis(500)); + num + 1 + }); + + if intensity < 25 { + println!("Today, do {} pushups!", expensive_result.value(intensity)); + println!("Next, do {} situps!", expensive_result.value(intensity)); + } else { + if random_number == 3 { + println!("Take a break today! Remember to stay hydrated!"); + } else { + println!( + "Today, run for {} minutes!", + expensive_result.value(intensity) + ); + } + } +} + +pub fn print_coordinates(&(x, y): &(i32, i32)) { + println!("Current location: ({}, {})", x, y); +} diff --git a/src/user.rs b/src/user.rs new file mode 100644 index 0000000..71ad519 --- /dev/null +++ b/src/user.rs @@ -0,0 +1,7 @@ +#[derive(Debug)] +pub struct User { + pub username: String, + pub email: String, + pub sign_in_count: u64, + pub active: bool, +}