From f9c81facb2012bf25b6938314f0619a69b49a61f Mon Sep 17 00:00:00 2001
From: Luca Palmieri <20745048+LukeMathWalker@users.noreply.github.com>
Date: Mon, 2 Sep 2024 11:21:47 +0200
Subject: [PATCH] Remove once_cell dependency

---
 examples/custom-root-span/Cargo.toml  | 1 -
 examples/custom-root-span/src/main.rs | 6 +++---
 examples/opentelemetry/Cargo.toml     | 1 -
 examples/opentelemetry/src/main.rs    | 6 +++---
 4 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/examples/custom-root-span/Cargo.toml b/examples/custom-root-span/Cargo.toml
index f2f39eaf1..b04130afc 100644
--- a/examples/custom-root-span/Cargo.toml
+++ b/examples/custom-root-span/Cargo.toml
@@ -8,7 +8,6 @@ edition = "2021"
 
 [dependencies]
 actix-web = "4"
-once_cell = "1.19"
 opentelemetry = "0.24"
 opentelemetry-otlp = "0.17"
 opentelemetry_sdk = { version = "0.24", features = ["rt-tokio-current-thread"] }
diff --git a/examples/custom-root-span/src/main.rs b/examples/custom-root-span/src/main.rs
index f69c7900c..17179accf 100644
--- a/examples/custom-root-span/src/main.rs
+++ b/examples/custom-root-span/src/main.rs
@@ -1,7 +1,6 @@
 use actix_web::body::MessageBody;
 use actix_web::dev::{ServiceRequest, ServiceResponse};
 use actix_web::{web, App, Error, HttpServer};
-use once_cell::sync::Lazy;
 use opentelemetry::trace::TracerProvider;
 use opentelemetry::{global, KeyValue};
 use opentelemetry_otlp::WithExportConfig;
@@ -10,6 +9,7 @@ use opentelemetry_sdk::{
 };
 use opentelemetry_semantic_conventions::resource;
 use std::io;
+use std::sync::LazyLock;
 use tracing::Span;
 use tracing_actix_web::{DefaultRootSpanBuilder, RootSpan, RootSpanBuilder, TracingLogger};
 use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
@@ -74,8 +74,8 @@ async fn main() -> io::Result<()> {
 
 const APP_NAME: &str = "tracing-actix-web-demo";
 
-static RESOURCE: Lazy<Resource> =
-    Lazy::new(|| Resource::new(vec![KeyValue::new(resource::SERVICE_NAME, APP_NAME)]));
+static RESOURCE: LazyLock<Resource> =
+    LazyLock::new(|| Resource::new(vec![KeyValue::new(resource::SERVICE_NAME, APP_NAME)]));
 
 /// Init a `tracing` subscriber that prints spans to stdout as well as
 /// ships them to Jaeger.
diff --git a/examples/opentelemetry/Cargo.toml b/examples/opentelemetry/Cargo.toml
index 26cfa245a..d4c66d18e 100644
--- a/examples/opentelemetry/Cargo.toml
+++ b/examples/opentelemetry/Cargo.toml
@@ -8,7 +8,6 @@ license = "MIT/Apache-2.0"
 
 [dependencies]
 actix-web = "4"
-once_cell = "1.19"
 opentelemetry = "0.24"
 opentelemetry_sdk = { version = "0.24", features = ["rt-tokio-current-thread"] }
 opentelemetry-otlp = "0.17"
diff --git a/examples/opentelemetry/src/main.rs b/examples/opentelemetry/src/main.rs
index 73ff294e0..fab4dce84 100644
--- a/examples/opentelemetry/src/main.rs
+++ b/examples/opentelemetry/src/main.rs
@@ -1,5 +1,4 @@
 use actix_web::{web, App, HttpServer};
-use once_cell::sync::Lazy;
 use opentelemetry::trace::TracerProvider;
 use opentelemetry::{global, KeyValue};
 use opentelemetry_otlp::WithExportConfig;
@@ -8,14 +7,15 @@ use opentelemetry_sdk::{
 };
 use opentelemetry_semantic_conventions::resource;
 use std::io;
+use std::sync::LazyLock;
 use tracing_actix_web::TracingLogger;
 use tracing_bunyan_formatter::{BunyanFormattingLayer, JsonStorageLayer};
 use tracing_subscriber::{layer::SubscriberExt, EnvFilter, Registry};
 
 const APP_NAME: &str = "tracing-actix-web-demo";
 
-static RESOURCE: Lazy<Resource> =
-    Lazy::new(|| Resource::new(vec![KeyValue::new(resource::SERVICE_NAME, APP_NAME)]));
+static RESOURCE: LazyLock<Resource> =
+    LazyLock::new(|| Resource::new(vec![KeyValue::new(resource::SERVICE_NAME, APP_NAME)]));
 
 async fn hello() -> &'static str {
     "Hello world!"