fieldalignment of all structs to save memory

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

tracer/noop.go

@@ -32,9 +32,9 @@ func (t *noopTracer) Name() string {
 }
 
 type noopSpan struct {
-	name   string
 	ctx    context.Context
 	tracer Tracer
+	name   string
 }
 
 func (s *noopSpan) Finish(opts ...SpanOption) {

tracer/options.go

@@ -14,10 +14,10 @@ type EventOption func(o *EventOptions)
 
 // Options struct
 type Options struct {
+	// Logger used for logging
+	Logger logger.Logger
 	// Name of the tracer
 	Name string
-	// Logger is the logger for messages
-	Logger logger.Logger
 }
 
 // Option func

tracer/tracer.go

@@ -36,30 +36,30 @@ type Span interface {
 }
 
 type Label struct {
-	key string
 	val interface{}
+	key string
 }
 
 func Any(k string, v interface{}) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }
 
 func String(k string, v string) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }
 
 func Int(k string, v int) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }
 
 func Int64(k string, v int64) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }
 
 func Float64(k string, v float64) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }
 
 func Bool(k string, v bool) Label {
-	return Label{k, v}
+	return Label{key: k, val: v}
 }

tracer/wrapper/wrapper.go

@@ -12,11 +12,11 @@ import (
 )
 
 type tWrapper struct {
-	opts             Options
+	client.Client
 	serverHandler    server.HandlerFunc
 	serverSubscriber server.SubscriberFunc
 	clientCallFunc   client.CallFunc
-	client.Client
+	opts             Options
 }
 
 type ClientCallObserver func(context.Context, client.Request, interface{}, []client.CallOption, tracer.Span, error)