From 92a9c6b320d5dde5699ef0778e411209688f20be Mon Sep 17 00:00:00 2001
From: George Barnett <gbarnett@apple.com>
Date: Mon, 24 Oct 2022 09:33:31 +0100
Subject: [PATCH] Fix HelloWorld examples (#1512)

Resolves #1511
---
 .../Client/{main.swift => HelloWorldClient.swift}         | 8 ++++++++
 .../Server/{main.swift => HelloWorldServer.swift}         | 8 ++++++++
 2 files changed, 16 insertions(+)
 rename Sources/Examples/HelloWorld/Client/{main.swift => HelloWorldClient.swift} (94%)
 rename Sources/Examples/HelloWorld/Server/{main.swift => HelloWorldServer.swift} (92%)

diff --git a/Sources/Examples/HelloWorld/Client/main.swift b/Sources/Examples/HelloWorld/Client/HelloWorldClient.swift
similarity index 94%
rename from Sources/Examples/HelloWorld/Client/main.swift
rename to Sources/Examples/HelloWorld/Client/HelloWorldClient.swift
index 0849f7c66..41de5df33 100644
--- a/Sources/Examples/HelloWorld/Client/main.swift
+++ b/Sources/Examples/HelloWorld/Client/HelloWorldClient.swift
@@ -21,6 +21,7 @@ import NIOCore
 import NIOPosix
 
 @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
+@main
 struct HelloWorld: AsyncParsableCommand {
   @Option(help: "The port to connect to")
   var port: Int = 1234
@@ -67,4 +68,11 @@ struct HelloWorld: AsyncParsableCommand {
     }
   }
 }
+#else
+@main
+enum HelloWorld {
+  static func main() {
+    fatalError("This example requires swift >= 5.6")
+  }
+}
 #endif // compiler(>=5.6)
diff --git a/Sources/Examples/HelloWorld/Server/main.swift b/Sources/Examples/HelloWorld/Server/HelloWorldServer.swift
similarity index 92%
rename from Sources/Examples/HelloWorld/Server/main.swift
rename to Sources/Examples/HelloWorld/Server/HelloWorldServer.swift
index 9b22dfdc6..aa78f86f0 100644
--- a/Sources/Examples/HelloWorld/Server/main.swift
+++ b/Sources/Examples/HelloWorld/Server/HelloWorldServer.swift
@@ -21,6 +21,7 @@ import NIOCore
 import NIOPosix
 
 @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
+@main
 struct HelloWorld: AsyncParsableCommand {
   @Option(help: "The port to listen on for new connections")
   var port = 1234
@@ -43,4 +44,11 @@ struct HelloWorld: AsyncParsableCommand {
     try await server.onClose.get()
   }
 }
+#else
+@main
+enum HelloWorld {
+  static func main() {
+    fatalError("This example requires swift >= 5.6")
+  }
+}
 #endif // compiler(>=5.6)