go - How to broadcast message using channel

Question

I am new to go and I am trying to create a simple chat server where clients can broadcast messages to all connected clients.

In my server, I have a goroutine (infinite for loop) that accepts connection and all the connections are received by a channel.

go func() {
    for {
        conn, _ := listener.Accept()
        ch <- conn
        }
}()

Then, I start a handler (goroutine) for every connected client. Inside the handler, I try to broadcast to all connections by iterating through the channel.

for c := range ch {
    conn.Write(msg)
}

However, I cannot broadcast because (I think from reading the docs) the channel needs to be closed before iterating. I am not sure when I should close the channel because I want to continuously accept new connections and closing the channel won't let me do that. If anyone can help me, or provide a better way to broadcast messages to all connected clients, it would be appreciated.

Answer 1

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