Add sync => go-sync

sync/options.go

@@ -0,0 +1,36 @@
+package sync
+
+import (
+	"github.com/micro/go-micro/sync/data"
+	"github.com/micro/go-micro/sync/leader"
+	"github.com/micro/go-micro/sync/lock"
+	"github.com/micro/go-micro/sync/time"
+)
+
+// WithLeader sets the leader election implementation opton
+func WithLeader(l leader.Leader) Option {
+	return func(o *Options) {
+		o.Leader = l
+	}
+}
+
+// WithLock sets the locking implementation option
+func WithLock(l lock.Lock) Option {
+	return func(o *Options) {
+		o.Lock = l
+	}
+}
+
+// WithData sets the data implementation option
+func WithData(s data.Data) Option {
+	return func(o *Options) {
+		o.Data = s
+	}
+}
+
+// WithTime sets the time implementation option
+func WithTime(t time.Time) Option {
+	return func(o *Options) {
+		o.Time = t
+	}
+}