net/http.persistConn.idleAt (field)

4 uses

	net/http (current package)
		transport.go#L1141: 	pconn.idleAt = time.Now()
		transport.go#L1183: 			tooOld := !oldTime.IsZero() && pconn.idleAt.Round(0).Before(oldTime)
		transport.go#L1199: 			delivered = w.tryDeliver(pconn, nil, pconn.idleAt)
		transport.go#L2093: 	idleAt    time.Time   // time it last become idle