rust/tests/ui/issues/issue-21291.rs

//@ run-pass
//@ needs-threads

// Regression test for unwrapping the result of `join`, issue #21291

use std::thread;

fn main() {
    thread::spawn(|| {}).join().unwrap()
}
Add `// run-pass` annotations to all the tests under `ui/run-pass/`. (I may have accidentally added it to some auxilliary crates as well; my emacs-macro-based methodology was pretty crude.) 2018-08-30 12:18:55 +00:00			`//@ run-pass`
compiletest: Add a `//@ needs-threads` directive This commit is extracted from #122036 and adds a new directive to the `compiletest` test runner, `//@ needs-threads`. This is intended to capture the need that a target must implement threading to execute a specific test, typically one that uses `std::thread`. This is primarily done for WebAssembly targets which currently do not have threads by default. This enables transitioning a lot of `//@ ignore-wasm*`-style ignores into a more self-documenting `//@ needs-threads` directive. Additionally the `wasm32-wasi-preview1-threads` target, for example, does actually have threads, but isn't tested in CI at this time. This change enables running these tests for that target, but not other wasm targets. 2024-03-06 20:19:20 +00:00			`//@ needs-threads`
Ignore tests that use threads on emscripten 2016-02-11 11:34:41 +00:00
Ensure that .join().unwrap() works Makes `Any + Send` implement `Debug`. Fixes #21291 2015-04-10 00:23:49 +00:00			// Regression test for unwrapping the result of `join`, issue #21291

			`use std::thread;`

			`fn main() {`
			`thread::spawn(\|\| {}).join().unwrap()`
			`}`