f use filter instead of a named loop with continue

Author: TheBlueMatt

lightning/src/chain/chainmonitor.rs

@@ -153,12 +153,14 @@ where C::Target: chain::Filter,
 	pub fn get_claimable_balances(&self, ignored_channels: &[ChannelDetails]) -> Vec<ClaimableBalance> {
 		let mut ret = Vec::new();
 		let monitors = self.monitors.read().unwrap();
-		'monitor_iter: for (funding_outpoint, monitor) in monitors.iter() {
+		for (_, monitor) in monitors.iter().filter(|(funding_outpoint, _)| {
 			for chan in ignored_channels {
 				if chan.funding_txo.as_ref() == Some(funding_outpoint) {
-					continue 'monitor_iter;
+					return false;
 				}
 			}
+			true
+		}) {
 			ret.append(&mut monitor.get_claimable_balances());
 		}
 		ret