Add reflect based reset

fix

mongox/base/reset.go

@@ -0,0 +1,27 @@
+package base
+
+import (
+	"reflect"
+
+	"github.com/mainnika/mongox-go-driver/mongox"
+)
+
+// Reset function creates new zero object for the target pointer
+func Reset(target interface{}) {
+
+	resettable, canReset := target.(mongox.Resetter)
+	if canReset {
+		resettable.Reset()
+		return
+	}
+
+	v := reflect.ValueOf(target)
+	if v.Kind() != reflect.Ptr {
+		panic("reset target should be a pointer")
+	}
+
+	t := v.Elem().Type()
+	zero := reflect.Zero(t)
+
+	v.Elem().Set(zero)
+}

mongox/common/loadstream.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/mainnika/mongox-go-driver/mongox"
+	"github.com/mainnika/mongox-go-driver/mongox/base"
 	"github.com/mainnika/mongox-go-driver/mongox/errors"
 	"github.com/mainnika/mongox-go-driver/mongox/query"
 	"go.mongodb.org/mongo-driver/mongo"
@@ -25,10 +26,7 @@ func (l *StreamLoader) DecodeNext() error {
 		return errors.NotFoundErrorf("%s", mongo.ErrNoDocuments)
 	}
 
-	resettable, canReset := l.target.(mongox.Resetter)
-	if canReset {
-		resettable.Reset()
-	}
+	base.Reset(l.target)
 
 	err := l.Decode(l.target)
 	if err != nil {