From 868a7e642534975a4b374dcdd3909f33a1ccf867 Mon Sep 17 00:00:00 2001
From: Sergio Benitez <sb@sergio.bz>
Date: Thu, 16 May 2019 13:29:06 -0700
Subject: [PATCH] Update 'crossbeam' to 0.7 in 'managed_queue' example.

---
 examples/managed_queue/Cargo.toml  |  2 +-
 examples/managed_queue/src/main.rs | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/examples/managed_queue/Cargo.toml b/examples/managed_queue/Cargo.toml
index 69d0306d..c2041ac3 100644
--- a/examples/managed_queue/Cargo.toml
+++ b/examples/managed_queue/Cargo.toml
@@ -5,5 +5,5 @@ workspace = "../.."
 publish = false
 
 [dependencies]
-crossbeam = "0.5"
+crossbeam = "0.7"
 rocket = { path = "../../core/lib" }
diff --git a/examples/managed_queue/src/main.rs b/examples/managed_queue/src/main.rs
index 5e2c4300..809dd353 100644
--- a/examples/managed_queue/src/main.rs
+++ b/examples/managed_queue/src/main.rs
@@ -6,9 +6,9 @@ extern crate crossbeam;
 #[cfg(test)] mod tests;
 
 use rocket::State;
-use crossbeam::queue::MsQueue;
+use crossbeam::queue::SegQueue;
 
-struct LogChannel(MsQueue<String>);
+struct LogChannel(SegQueue<String>);
 
 #[put("/push?<event>")]
 fn push(event: String, queue: State<LogChannel>) {
@@ -16,14 +16,14 @@ fn push(event: String, queue: State<LogChannel>) {
 }
 
 #[get("/pop")]
-fn pop(queue: State<LogChannel>) -> String {
-    queue.0.pop()
+fn pop(queue: State<LogChannel>) -> Option<String> {
+    queue.0.pop().ok()
 }
 
 fn rocket() -> rocket::Rocket {
     rocket::ignite()
         .mount("/", routes![push, pop])
-        .manage(LogChannel(MsQueue::new()))
+        .manage(LogChannel(SegQueue::new()))
 }
 
 fn main() {