在fn前面加async error: async functions cannot be used for tests error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) 调用一个类的方法报错,this is an associated function, not a method 直接调用模...
async fn test_str_len() { assert_eq!(str_len_async("x5ff").await, 4); } } 编译器提示我们,因为编译器暂时不能支持异步的测试 error: async functions cannot be used for tests --> src\lib.rs:28:5 | 28 | async fn test_str_len() { | ^--- | | | ___`async` because of this...
Rust Async 工作组的主要目标之一是允许无处不在（尤其是在 traits 中）开 async fn 。在这篇文章中...
thread'tests::test_sync_method'panickedat'Cannotstartaruntimefromwithinaruntime.Thishappensbecauseafunction(like`block_on`)attemptedtoblockthecurrentthreadwhilethethreadisbeingusedtodriveasynchronoustasks.',/Users/lei/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.17.0/src/runtime/enter.rs9...
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test tests/ui/test_fail/01-empty-test.rs [should fail to compile] ... mismatch EXPECTED: ┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ error[E0425]: cannot find function `async_fn_async` in this ...
create_instance("org.astonbitecode.j4rs.tests.MyTest", InvocationArg::empty())?; let instance = jvm.invoke_async(&my_test, "getStringWithFuture", &[InvocationArg::try_from(s_test)?]).await?; let string: String = jvm.to_rust(instance)?; assert_eq!(s_test, string);...
原文链接 https://dev.to/thiagomg/a-simple-guide-to-unit-tests-in-rust-4h8l GraphPU: Rust编写的 3D GPU 图形可视化应用程序 “GraphPU” 是一款 3DGPU图形可视化应用程序。基于 Rust 语言和 WebGPU 开发的渲染框架和高性能计算(HPC) 算法,使得这个应用能够在 Vulkan 和 Metal 平台上实时模拟和渲染数百万...
How asynchrony works in Rust – all the way from the Pin and Waker types used in manual implementations of Futures, to how async/await saves you from thinking about most of those words What it means for code to be unsafe, and best practices for writing and interacting with unsafe functions...
异步编程:async 和 await Rust 的异步编程是高效且非阻塞的。 复制 asyncfnfetch_data()->Result<(),Box<dyn Error>>{// 异步获取数据} 1. 2. 3. 使用Cargo.toml 和 Cargo.lock 管理依赖 依赖在 Cargo.toml 中管理,而 Cargo.lock 确保可复现性。