From c4bad51deb75efc033431be513e264c3247b64cb Mon Sep 17 00:00:00 2001 From: Jorge Aparicio Date: Tue, 16 Apr 2019 16:39:51 +0200 Subject: [PATCH] note that late resources must be Send --- book/en/src/by-example/types-send-sync.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/book/en/src/by-example/types-send-sync.md b/book/en/src/by-example/types-send-sync.md index da53cf963f..8ec62e6569 100644 --- a/book/en/src/by-example/types-send-sync.md +++ b/book/en/src/by-example/types-send-sync.md @@ -39,6 +39,11 @@ The example below shows where a type that doesn't implement `Send` can be used. {{#include ../../../../examples/not-send.rs}} ``` +It's important to note that late initialization of resources is effectively a +send operation where the initial value is sent from `idle`, which has the lowest +priority of `0`, to a task with will run with a priority greater than or equal +to `1`. Thus all late resources need to implement the `Send` trait. + ## `Sync` Similarly, [`Sync`] is a marker trait for "types for which it is safe to share