From 488144f13b7344112425dac9b66e6188368aca21 Mon Sep 17 00:00:00 2001
From: Simon Evans <si@si.org>
Date: Thu, 17 Dec 2020 14:48:14 +0000
Subject: [PATCH] SR-12981: Foundation.StreamDelegate has required methods on
 Linux but not Darwin

- Make func stream(_ aStream: Stream, handle eventCode: Stream.Event)
  public.

(cherry picked from commit 9bd879b16bd0f41b6d6dfcd0eb25a0cbcf7ca309)
---
 Sources/Foundation/Stream.swift | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Sources/Foundation/Stream.swift b/Sources/Foundation/Stream.swift
index f28bc9f511..37ba44a1d5 100644
--- a/Sources/Foundation/Stream.swift
+++ b/Sources/Foundation/Stream.swift
@@ -323,14 +323,15 @@ extension Stream {
 }
 #endif
 
-extension StreamDelegate {
-    func stream(_ aStream: Stream, handle eventCode: Stream.Event) { }
-}
 
 public protocol StreamDelegate : class {
     func stream(_ aStream: Stream, handle eventCode: Stream.Event)
 }
 
+extension StreamDelegate {
+    public func stream(_ aStream: Stream, handle eventCode: Stream.Event) { }
+}
+
 // MARK: -
 extension Stream.PropertyKey {
     public static let socketSecurityLevelKey = Stream.PropertyKey(rawValue: "kCFStreamPropertySocketSecurityLevel")