unexport the config

connmgr.go

@@ -29,7 +29,7 @@ var log = logging.Logger("connmgr")
 type BasicConnMgr struct {
 	*decayer
 
-	cfg      *BasicConnManagerConfig
+	cfg      *config
 	segments segments
 
 	plk       sync.RWMutex
@@ -99,7 +99,7 @@ func (s *segment) tagInfoFor(p peer.ID) *peerInfo {
 func NewConnManager(low, hi int, grace time.Duration, opts ...Option) *BasicConnMgr {
 	ctx, cancel := context.WithCancel(context.Background())
 
-	cfg := &BasicConnManagerConfig{
+	cfg := &config{
 		highWater:     hi,
 		lowWater:      low,
 		gracePeriod:   grace,

options.go

@@ -2,9 +2,8 @@ package connmgr
 
 import "time"
 
-// BasicConnManagerConfig is the configuration struct for the basic connection
-// manager.
-type BasicConnManagerConfig struct {
+// config is the configuration struct for the basic connection manager.
+type config struct {
 	highWater     int
 	lowWater      int
 	gracePeriod   time.Duration
@@ -13,11 +12,11 @@ type BasicConnManagerConfig struct {
 }
 
 // Option represents an option for the basic connection manager.
-type Option func(*BasicConnManagerConfig) error
+type Option func(*config) error
 
 // DecayerConfig applies a configuration for the decayer.
 func DecayerConfig(opts *DecayerCfg) Option {
-	return func(cfg *BasicConnManagerConfig) error {
+	return func(cfg *config) error {
 		cfg.decayer = opts
 		return nil
 	}