diff --git a/library/std/src/sync/mpmc/mod.rs b/library/std/src/sync/mpmc/mod.rs index 77a67f4fd386d..44e146a89bafb 100644 --- a/library/std/src/sync/mpmc/mod.rs +++ b/library/std/src/sync/mpmc/mod.rs @@ -66,29 +66,31 @@ //! use std::thread; //! use std::sync::mpmc::channel; //! -//! // Create a shared channel that can be sent along from many threads -//! // where tx is the sending half (tx for transmission), and rx is the receiving -//! // half (rx for receiving). -//! let (tx, rx) = channel(); -//! for i in 0..10 { -//! let tx = tx.clone(); -//! thread::spawn(move || { -//! tx.send(i).unwrap(); -//! }); -//! } +//! thread::scope(|s| { +//! // Create a shared channel that can be sent along from many threads +//! // where tx is the sending half (tx for transmission), and rx is the receiving +//! // half (rx for receiving). +//! let (tx, rx) = channel(); +//! for i in 0..10 { +//! let tx = tx.clone(); +//! s.spawn(move || { +//! tx.send(i).unwrap(); +//! }); +//! } //! -//! for _ in 0..5 { -//! let rx1 = rx.clone(); -//! let rx2 = rx.clone(); -//! thread::spawn(move || { -//! let j = rx1.recv().unwrap(); -//! assert!(0 <= j && j < 10); -//! }); -//! thread::spawn(move || { -//! let j = rx2.recv().unwrap(); -//! assert!(0 <= j && j < 10); -//! }); -//! } +//! for _ in 0..5 { +//! let rx1 = rx.clone(); +//! let rx2 = rx.clone(); +//! s.spawn(move || { +//! let j = rx1.recv().unwrap(); +//! assert!(0 <= j && j < 10); +//! }); +//! s.spawn(move || { +//! let j = rx2.recv().unwrap(); +//! assert!(0 <= j && j < 10); +//! }); +//! } +//! }) //! ``` //! //! Propagating panics: