let sstr= String::from("233Test");//fs::write("test.txt",sstr.as_bytes());//fs::write("test.txt",sstr.as_bytes());file.write_all(sstr.as_bytes()).unwrap(); file.write_all(sstr.as_bytes()).unwrap(); } --- use std::fs; use std::io::{Read}; fn main(){ let m...
21 |letd = CustomSmartPointer {data: String::from("other stuff")}; | ^help:ifthis is intentional, prefix it with an underscore: `_d` warning: `smart` (bin"smart") generated 2 warnings (run `cargo fix --bin"smart"` to apply 2 suggestions) Finished dev [unoptimized + debuginfo] ta...
#[derive(Parser)]struct Cli{/// 要查找的模式pattern:String,/// 要读取的文件的路径path:std::path::PathBuf,}fnmain(
#[no_mangle]pub extern fn create_string -> *constc_char {let c_string = CString::new(STRING).expect("CString::new failed");c_string.into_raw// Move ownership to C}/// # Safety/// The ptr should be a valid pointer to the string allocated by rust#[no_mangle]pub unsafe extern f...
();// Write the model file (used for loading the tokenizer later)// 省略实现}}pub trait Loadable:Tokenizer{fnset_pattern(&mut self,pattern:&str);fnset_special_tokens(&mut self,special_tokens:IndexMap<String,Token>);fnset_merges(&mut self,merges:IndexMap<(Token,Token),Token>);fnset_...
(f, "环境变量不存在"), MyCustomError::IOError(err) => write!(f, "IO错误: {}", err.to_string()), } } } fn main() -> Result<(), Box<dyn Error>> { let content = get_config_content()?; println!("{}", content); Ok(()) } 缺点:处理起来稍微麻烦,推荐使用第三方的 this...
lets ="a very long string".to_string; f(s.clone); g(s); // fifty lines of code... h(s); // ← won’t compile, you need scroll up and update g(s). 左右滑动查看完整代码 同态限制 Rust中, let x = y; 并不意味着t x和y是同一个。一个自然中断的例子是,当y是一个重载函数时...
impl File { fn new(name: &str) -> File { File { name: String::from(name), data: Vec::new(), state: FileState::Closed, } } } impl Display for FileState { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { FileState::Open => write!
Rust是一门赋予每个人构建可靠且高效软件能力的编程语言。可靠主要体现在安全性上。其高效不仅限于开发效率,它的执行效率也是令人称赞的,是一种少有的兼顾开发效率和执行效率的语言。Rust 语言由 Mozilla 开发,最早发布于 2014 年 9 月。Rust 的编译器是在 MIT License
Move gifs to git lfs (#5706) 27天前 .gitignore egui_kittest: write.old.pngfiles when updating images (#5578) 3个月前 .typos.toml Addtypto known words (#5754) 27天前 ARCHITECTURE.md Improve egui_kittest documentation and update CONTRIBUTING.md (#5296) ...