("Oh noes, we don't know which era we're in! :( \n {}", e), } } fn get_current_date() -> Result<String, reqwest::Error> { let url = "https://postman-echo.com/time/object"; let res = reqwest::blocking::get(url)?.json::<HashMap<String, i32>>()?; let date ...
use tokio::time::{sleep, Duration}; use select::document::Document; use select::predicate::Name; use std::error::Error; ``` ### 步骤二:创建异步函数进行 URL 跳转 ```rust async fn fetch_url(client: &Client, url: &str) -> Result<String, Box<dyn Error>> { let res = client.get...
通过该测试函数,可以比较get_unchecked方法与 Rust 安全切片访问之间的性能差异。可以从测试的输出结果中获得性能方面的数据,以便更好地了解在特定场景下使用get_unchecked是否具有优势。 总之,rust/src/tools/miri/bench-cargo-miri/slice-get-unchecked/src/main.rs文件通过进行测试和评估,展示了 Rust 中get_unchecked...
Time(get current time, notify after duration, notify at instant) —source,crate, request/response Platform(get the current platform) —source,crate, request/response SSE(basic Server-Sent Events) —source, request/streaming PubSub(pub sub with streaming) —source, request/response/streaming ...
Pair with your favorite Rust servers to receive real-time updates for the things that matter the most: player counts, current game time, online teammates, and more. You’ll also get (optional) push notifications whenever one of your teammates joins the game. EXPLORE THE MAP View the full se...
Pair with your favorite Rust servers to receive real-time updates for the things that matter the most: player counts, current game time, online teammates, and more. You’ll also get (optional) push notifications whenever one of your teammates joins the game. ...
Start表示相对于数据源的开头,End表示相对于数据源的末尾,Current表示相对于当前位置。 翻译结果: 在Rust源码中,rust/library/std/src/io/mod.rs文件是std库中的io模块的主文件。它定义了与输入输出相关的类型、结构体、枚举、trait和函数,并提供了用于读写数据的基本功能。
#[derive(Debug)]pubstructTest1{n1:u32}implTest1{pubfnnew()->Test1{Test1{n1:1}}pubfnset_n(&mutself,n:u32){self.n1=n;}pubfnget_test2(&self)->Test2{Test2{n1:2}}} 此时Test2对象由Test1对象生成,这种模型常见于某些操作不安全数据的对象中,例如在会话对象中获取连接,抑或是从迭代器对象中获取...
ardaku/whoami [whoami] - crate to get the current user and environment. GuillaumeGomez/sysinfo [sysinfo] - Cross-platform library to fetch system information navidys/procsys [procsys] - A library to retrieve system, kernel, and process metrics from the pseudo-filesystems /proc and /sys...
letreport=get_weather(hometown).unwrap_or_else(|_err|vague_prediction(hometown)); (第 14 章会详细介绍闭包。) result.unwrap()(解包) 如果result是成功结果,那么此方法同样会返回成功值。但如果result是错误结果,则会引发 panic。此方法有其应用场景,后面会详细讨论。