From 034bace1a53943838e49a7d2442025276f60bc55 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sat, 16 Nov 2024 13:13:46 -0500
Subject: reliable multicast: construct hashmap keysets correctly

---
 src/main/java/derms/net/rmulticast/ReliableMulticast.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/derms/net/rmulticast/ReliableMulticast.java b/src/main/java/derms/net/rmulticast/ReliableMulticast.java
index 19b7bd7..cfd4435 100644
--- a/src/main/java/derms/net/rmulticast/ReliableMulticast.java
+++ b/src/main/java/derms/net/rmulticast/ReliableMulticast.java
@@ -41,11 +41,11 @@ public class ReliableMulticast<T extends MessagePayload> {
         this.group = group;
         this.laddr = laddr;
 
-        this.acks = new ConcurrentHashMap<MessageID, Void>().keySet();
-        this.nacks = new ConcurrentHashMap<MessageID, Void>().keySet();
+        this.acks = ConcurrentHashMap.newKeySet();
+        this.nacks = ConcurrentHashMap.newKeySet();
         this.received = new ReceivedSet<T>();
         this.retransmissions = new LinkedBlockingQueue<Message<T>>();
-        this.groupMembers = new ConcurrentHashMap<InetAddress, Void>().keySet();
+        this.groupMembers = ConcurrentHashMap.newKeySet();
 
         this.outSock = new ConcurrentMulticastSocket();
         this.outSock.joinGroup(group.getAddress());
-- 
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