fn add_sender(&mut self, sender: CoreStatsSender) {
        for s in &self.senders {
            if sender.sender.same_channel(&s.sender) {
                return;
            }
        }
        self.senders.push(sender);
    }
// add sender if not already in the list
add sender if not already in the list
add sender if not already in the list
fn add_sender(&mut self, sender: CoreStatsSender) {
        for s in &self.senders {
            if sender.sender.same_channel(&s.sender) {
                return;
            }
        }
        self.senders.push(sender);
    }
fn add_sender ( & mut self , sender : CoreStatsSender ) { for s in & self . senders { if sender . sender . same_channel ( & s . sender ) { return ; } } self . senders . push ( sender ) ; }
add sender if not already in the list
add sender if not already in the list
&mut self
sender
CoreStatsSender