[tor-commits] [snowflake/master] Simplify Peers.Pop.

[dcf@xxxxxxxxxxxxxx]

commit 3520f4e8b96e05dfb30874ec2174457684269db6
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Thu Apr 23 18:14:27 2020 -0600

    Simplify Peers.Pop.
---
 client/lib/peers.go | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/client/lib/peers.go b/client/lib/peers.go
index f70905e..2649638 100644
--- a/client/lib/peers.go
+++ b/client/lib/peers.go
@@ -62,24 +62,24 @@ func (p *Peers) Collect() (Snowflake, error) {
 	return connection, nil
 }
 
-// As part of |SnowflakeCollector| interface.
+// Pop blocks until an available, valid snowflake appears. Returns nil after End
+// has been called.
+//
+// Part of |SnowflakeCollector| interface.
 func (p *Peers) Pop() Snowflake {
-	// Blocks until an available, valid snowflake appears.
-	var snowflake Snowflake
-	var ok bool
-	for snowflake == nil {
-		snowflake, ok = <-p.snowflakeChan
+	for {
+		snowflake, ok := <-p.snowflakeChan
 		if !ok {
 			return nil
 		}
 		conn := snowflake.(*WebRTCPeer)
 		if conn.closed {
-			snowflake = nil
+			continue
 		}
+		// Set to use the same rate-limited traffic logger to keep consistency.
+		conn.BytesLogger = p.BytesLogger
+		return conn
 	}
-	// Set to use the same rate-limited traffic logger to keep consistency.
-	snowflake.(*WebRTCPeer).BytesLogger = p.BytesLogger
-	return snowflake
 }
 
 // As part of |SnowflakeCollector| interface.

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