Use reflect2

mongox/base/getid.go

@@ -3,10 +3,10 @@ package base
 import (
 	"fmt"
 
+	"github.com/modern-go/reflect2"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 
 	"github.com/mainnika/mongox-go-driver/v2/mongox"
-	"github.com/mainnika/mongox-go-driver/v2/mongox/utils"
 )
 
 // GetID returns source document id
@@ -63,7 +63,7 @@ func getObjectOrPanic(source mongox.JSONBased) (id primitive.D) {
 func getInterfaceOrPanic(source mongox.InterfaceBased) (id interface{}) {
 
 	id = source.GetID()
-	if !utils.IsNil(id) {
+	if !reflect2.IsNil(id) {
 		return id
 	}
 

mongox/database/deleteone.go

@@ -4,12 +4,12 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/modern-go/reflect2"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo/options"
 
 	"github.com/mainnika/mongox-go-driver/v2/mongox/base"
 	"github.com/mainnika/mongox-go-driver/v2/mongox/query"
-	"github.com/mainnika/mongox-go-driver/v2/mongox/utils"
 )
 
 // DeleteOne removes a document from a database and then returns it into target
@@ -22,7 +22,7 @@ func (d *Database) DeleteOne(target interface{}, filters ...interface{}) (err er
 
 	opts.Sort = composed.Sorter()
 
-	if !utils.IsNil(target) {
+	if !reflect2.IsNil(target) {
 		composed.And(primitive.M{"_id": base.GetID(target)})
 	}
 

mongox/query/compose.go

@@ -3,11 +3,11 @@ package query
 import (
 	"fmt"
 
+	"github.com/modern-go/reflect2"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 
 	"github.com/mainnika/mongox-go-driver/v2/mongox/base/protection"
-	"github.com/mainnika/mongox-go-driver/v2/mongox/utils"
 )
 
 // Compose is a function to compose filters into a single query
@@ -27,7 +27,7 @@ func Compose(filters ...interface{}) (query *Query) {
 // Push applies single filter to a query
 func Push(q *Query, f interface{}) (ok bool) {
 
-	if utils.IsNil(f) {
+	if reflect2.IsNil(f) {
 		return true
 	}
 

mongox/utils/isnil.go

@@ -1,23 +0,0 @@
-package utils
-
-import (
-	"unsafe"
-)
-
-// IsNil function evaluates the interface value to nil
-func IsNil(i interface{}) (isNil bool) {
-
-	type iface struct {
-		_   unsafe.Pointer
-		ptr unsafe.Pointer
-	}
-
-	unpacked := (*iface)(unsafe.Pointer(&i))
-	if unpacked.ptr == nil {
-		isNil = true
-		return
-	}
-
-	isNil = *(*unsafe.Pointer)(unpacked.ptr) == nil
-	return
-}

mongox/utils/isnil_test.go

@@ -1,32 +0,0 @@
-package utils
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestIsNil(t *testing.T) {
-
-	testvalues := []struct {
-		i     interface{}
-		isnil bool
-	}{
-		{nil, true},
-		{(*string)(nil), true},
-		{([]string)(nil), true},
-		{(map[string]string)(nil), true},
-		{(func() bool)(nil), true},
-		{(chan func() bool)(nil), true},
-		{"", true},
-		{0, true},
-		{append(([]string)(nil), ""), false},
-		{[]string{}, false},
-		{1, false},
-		{"1", false},
-	}
-
-	for _, tt := range testvalues {
-		assert.Equal(t, tt.isnil, IsNil(tt.i))
-	}
-}