reorganization of code + variables to more appropriate structs

baked_in.go

@@ -14,14 +14,14 @@ import (
 // defines a common or complex set of validation(s) to simplify
 // adding validation to structs. i.e. set key "_ageok" and the tags
 // are "gt=0,lte=130" or key "_preferredname" and tags "omitempty,gt=0,lte=60"
-var BakedInAliasValidators = map[string]string{
+var bakedInAliasValidators = map[string]string{
 	"iscolor": "hexcolor|rgb|rgba|hsl|hsla",
 }
 
 // BakedInValidators is the default map of ValidationFunc
 // you can add, remove or even replace items to suite your needs,
 // or even disregard and use your own map if so desired.
-var BakedInValidators = map[string]Func{
+var bakedInValidators = map[string]Func{
 	"required":     hasValue,
 	"len":          hasLengthOf,
 	"min":          hasMinOf,

benchmarks_test.go

@@ -32,11 +32,6 @@ func BenchmarkFieldDiveFailure(b *testing.B) {
 
 func BenchmarkFieldCustomTypeSuccess(b *testing.B) {
 
-	// customTypes := map[reflect.Type]CustomTypeFunc{}
-	// customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
-	// customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
-
-	validate := New(Config{TagName: "validate"})
 	validate.RegisterCustomTypeFunc(ValidateValuerType, (*sql.Valuer)(nil), valuer{})
 
 	val := valuer{
@@ -50,11 +45,7 @@ func BenchmarkFieldCustomTypeSuccess(b *testing.B) {
 
 func BenchmarkFieldCustomTypeFailure(b *testing.B) {
 
-	// customTypes := map[reflect.Type]CustomTypeFunc{}
-	// customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
-	// customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
-
-	validate := New(Config{TagName: "validate"})
+	// validate := New(Config{TagName: "validate"})
 	validate.RegisterCustomTypeFunc(ValidateValuerType, (*sql.Valuer)(nil), valuer{})
 
 	val := valuer{}
@@ -78,11 +69,6 @@ func BenchmarkFieldOrTagFailure(b *testing.B) {
 
 func BenchmarkStructSimpleCustomTypeSuccess(b *testing.B) {
 
-	// customTypes := map[reflect.Type]CustomTypeFunc{}
-	// customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
-	// customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
-
-	validate := New(Config{TagName: "validate"})
 	validate.RegisterCustomTypeFunc(ValidateValuerType, (*sql.Valuer)(nil), valuer{})
 
 	val := valuer{
@@ -103,11 +89,6 @@ func BenchmarkStructSimpleCustomTypeSuccess(b *testing.B) {
 
 func BenchmarkStructSimpleCustomTypeFailure(b *testing.B) {
 
-	// customTypes := map[reflect.Type]CustomTypeFunc{}
-	// customTypes[reflect.TypeOf((*sql.Valuer)(nil))] = ValidateValuerType
-	// customTypes[reflect.TypeOf(valuer{})] = ValidateValuerType
-
-	validate := New(Config{TagName: "validate"})
 	validate.RegisterCustomTypeFunc(ValidateValuerType, (*sql.Valuer)(nil), valuer{})
 
 	val := valuer{}

examples_test.go

@@ -3,14 +3,12 @@ package validator_test
 import (
 	"fmt"
 
-	"gopkg.in/bluesuncorp/validator.v7"
+	// "gopkg.in/bluesuncorp/validator.v7"
+	"../validator"
 )
 
 func ExampleValidate_new() {
-	config := validator.Config{
-		TagName:         "validate",
-		ValidationFuncs: validator.BakedInValidators,
-	}
+	config := validator.Config{TagName: "validate"}
 
 	validator.New(config)
 }
@@ -19,16 +17,13 @@ func ExampleValidate_field() {
 	// This should be stored somewhere globally
 	var validate *validator.Validate
 
-	config := validator.Config{
-		TagName:         "validate",
-		ValidationFuncs: validator.BakedInValidators,
-	}
+	config := validator.Config{TagName: "validate"}
 
 	validate = validator.New(config)
 
 	i := 0
 	errs := validate.Field(i, "gt=1,lte=10")
-	err := errs[""]
+	err := errs.(validator.ValidationErrors)[""]
 	fmt.Println(err.Field)
 	fmt.Println(err.Tag)
 	fmt.Println(err.Kind) // NOTE: Kind and Type can be different i.e. time Kind=struct and Type=time.Time
@@ -48,10 +43,7 @@ func ExampleValidate_struct() {
 	// This should be stored somewhere globally
 	var validate *validator.Validate
 
-	config := validator.Config{
-		TagName:         "validate",
-		ValidationFuncs: validator.BakedInValidators,
-	}
+	config := validator.Config{TagName: "validate"}
 
 	validate = validator.New(config)
 
@@ -81,7 +73,7 @@ func ExampleValidate_struct() {
 	}
 
 	errs := validate.Struct(user)
-	for _, v := range errs {
+	for _, v := range errs.(validator.ValidationErrors) {
 		fmt.Println(v.Field) // Phone
 		fmt.Println(v.Tag)   // required
 		//... and so forth

util.go

@@ -53,8 +53,8 @@ func (v *Validate) extractType(current reflect.Value) (reflect.Value, reflect.Ki
 
 	default:
 
-		if v.config.hasCustomFuncs {
-			if fn, ok := v.config.customTypeFuncs[current.Type()]; ok {
+		if v.hasCustomFuncs {
+			if fn, ok := v.customTypeFuncs[current.Type()]; ok {
 				return v.extractType(reflect.ValueOf(fn(current)))
 			}
 		}
@@ -248,9 +248,9 @@ func (v *Validate) parseTagsRecursive(cTag *cachedTag, tag, fieldName, alias str
 
 	for _, t := range strings.Split(tag, tagSeparator) {
 
-		if v.config.hasAliasValidators {
+		if v.hasAliasValidators {
 			// check map for alias and process new tags, otherwise process as usual
-			if tagsVal, ok := v.config.aliasValidators[t]; ok {
+			if tagsVal, ok := v.aliasValidators[t]; ok {
 
 				leave := v.parseTagsRecursive(cTag, tagsVal, fieldName, t, true)
 

validator.go

@@ -40,9 +40,8 @@ const (
 var (
 	timeType       = reflect.TypeOf(time.Time{})
 	timePtrType    = reflect.TypeOf(&time.Time{})
-	errsPool       = &sync.Pool{New: newValidationErrors}
-	tagsCache      = &tagCacheMap{m: map[string]*cachedTag{}}
 	emptyStructPtr = new(struct{})
+	errsPool       = &sync.Pool{New: newValidationErrors}
 )
 
 // returns new ValidationErrors to the pool
@@ -84,17 +83,18 @@ func (s *tagCacheMap) Set(key string, value *cachedTag) {
 // Validate contains the validator settings passed in using the Config struct
 type Validate struct {
 	config             Config
+	validationFuncs    map[string]Func
+	customTypeFuncs    map[reflect.Type]CustomTypeFunc
+	aliasValidators    map[string]string
+	hasCustomFuncs     bool
+	hasAliasValidators bool
+	tagsCache          *tagCacheMap
 }
 
 // Config contains the options that a Validator instance will use.
 // It is passed to the New() function
 type Config struct {
 	TagName string
-	validationFuncs    map[string]Func
-	customTypeFuncs    map[reflect.Type]CustomTypeFunc
-	aliasValidators    map[string]string
-	hasCustomFuncs     bool
-	hasAliasValidators bool
 }
 
 // CustomTypeFunc allows for overriding or adding custom field type handler functions
@@ -149,20 +149,20 @@ func New(config Config) *Validate {
 	// if config.CustomTypeFuncs != nil && len(config.CustomTypeFuncs) > 0 {
 	// 	config.hasCustomFuncs = true
 	// }
-	v := &Validate{config: config}
+	v := &Validate{config: config, tagsCache: &tagCacheMap{m: map[string]*cachedTag{}}}
 
-	if len(v.config.aliasValidators) == 0 {
-		// must copy validators for separate validations to be used in each
-		v.config.aliasValidators = map[string]string{}
-		for k, val := range BakedInAliasValidators {
+	if len(v.aliasValidators) == 0 {
+		// must copy validators for separate validations to be used in each validator instance
+		v.aliasValidators = map[string]string{}
+		for k, val := range bakedInAliasValidators {
 			v.RegisterAliasValidation(k, val)
 		}
 	}
 
-	if len(v.config.validationFuncs) == 0 {
-		// must copy validators for separate validations to be used in each
-		v.config.validationFuncs = map[string]Func{}
-		for k, val := range BakedInValidators {
+	if len(v.validationFuncs) == 0 {
+		// must copy validators for separate validations to be used in each instance
+		v.validationFuncs = map[string]Func{}
+		for k, val := range bakedInValidators {
 			v.RegisterValidation(k, val)
 		}
 	}
@@ -189,7 +189,7 @@ func (v *Validate) RegisterValidation(key string, f Func) error {
 		panic(fmt.Sprintf(restrictedTagErr, key))
 	}
 
-	v.config.validationFuncs[key] = f
+	v.validationFuncs[key] = f
 
 	return nil
 }
@@ -197,15 +197,15 @@ func (v *Validate) RegisterValidation(key string, f Func) error {
 // RegisterCustomTypeFunc registers a CustomTypeFunc against a number of types
 func (v *Validate) RegisterCustomTypeFunc(fn CustomTypeFunc, types ...interface{}) {
 
-	if v.config.customTypeFuncs == nil {
-		v.config.customTypeFuncs = map[reflect.Type]CustomTypeFunc{}
+	if v.customTypeFuncs == nil {
+		v.customTypeFuncs = map[reflect.Type]CustomTypeFunc{}
 	}
 
 	for _, t := range types {
-		v.config.customTypeFuncs[reflect.TypeOf(t)] = fn
+		v.customTypeFuncs[reflect.TypeOf(t)] = fn
 	}
 
-	v.config.hasCustomFuncs = true
+	v.hasCustomFuncs = true
 }
 
 // RegisterAliasValidation registers a mapping of a single validationstag that
@@ -216,28 +216,21 @@ func (v *Validate) RegisterCustomTypeFunc(fn CustomTypeFunc, types ...interface{
 // will be the actual tag within the alias that failed.
 func (v *Validate) RegisterAliasValidation(alias, tags string) {
 
-	// if len(v.config.aliasValidators) == 0 {
-	// 	// must copy validators for separate validations to be used in each
-	// 	v.config.aliasValidators = map[string]string{}
-	// 	for k, val := range BakedInAliasValidators {
-	// 		v.config.aliasValidators[k] = val
-	// 	}
-	// }
-
 	_, ok := restrictedTags[alias]
 
 	if ok || strings.ContainsAny(alias, restrictedTagChars) {
 		panic(fmt.Sprintf(restrictedAliasErr, alias))
 	}
 
-	v.config.aliasValidators[alias] = tags
-	v.config.hasAliasValidators = true
+	v.aliasValidators[alias] = tags
+	v.hasAliasValidators = true
 }
 
-// Field validates a single field using tag style validation and returns ValidationErrors
+// Field validates a single field using tag style validation and returns nil or ValidationErrors as type error.
+// You will need to assert the error if it's not nil i.e. err.(validator.ValidationErrors) to access the map of errors.
 // NOTE: it returns ValidationErrors instead of a single FieldError because this can also
 // validate Array, Slice and maps fields which may contain more than one error
-func (v *Validate) Field(field interface{}, tag string) ValidationErrors {
+func (v *Validate) Field(field interface{}, tag string) error {
 
 	errs := errsPool.Get().(ValidationErrors)
 	fieldVal := reflect.ValueOf(field)
@@ -252,10 +245,11 @@ func (v *Validate) Field(field interface{}, tag string) ValidationErrors {
 	return errs
 }
 
-// FieldWithValue validates a single field, against another fields value using tag style validation and returns ValidationErrors
+// FieldWithValue validates a single field, against another fields value using tag style validation and returns nil or ValidationErrors.
+// You will need to assert the error if it's not nil i.e. err.(validator.ValidationErrors) to access the map of errors.
 // NOTE: it returns ValidationErrors instead of a single FieldError because this can also
 // validate Array, Slice and maps fields which may contain more than one error
-func (v *Validate) FieldWithValue(val interface{}, field interface{}, tag string) ValidationErrors {
+func (v *Validate) FieldWithValue(val interface{}, field interface{}, tag string) error {
 
 	errs := errsPool.Get().(ValidationErrors)
 	topVal := reflect.ValueOf(val)
@@ -272,10 +266,9 @@ func (v *Validate) FieldWithValue(val interface{}, field interface{}, tag string
 
 // StructPartial validates the fields passed in only, ignoring all others.
 // Fields may be provided in a namespaced fashion relative to the  struct provided
-// i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name
-// NOTE: This is normally not needed, however in some specific cases such as: tied to a
-// legacy data structure, it will be useful
-func (v *Validate) StructPartial(current interface{}, fields ...string) ValidationErrors {
+// i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name and returns nil or ValidationErrors as error
+// You will need to assert the error if it's not nil i.e. err.(validator.ValidationErrors) to access the map of errors.
+func (v *Validate) StructPartial(current interface{}, fields ...string) error {
 
 	sv, _ := v.extractType(reflect.ValueOf(current))
 	name := sv.Type().Name()
@@ -330,10 +323,9 @@ func (v *Validate) StructPartial(current interface{}, fields ...string) Validati
 
 // StructExcept validates all fields except the ones passed in.
 // Fields may be provided in a namespaced fashion relative to the  struct provided
-// i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name
-// NOTE: This is normally not needed, however in some specific cases such as: tied to a
-// legacy data structure, it will be useful
-func (v *Validate) StructExcept(current interface{}, fields ...string) ValidationErrors {
+// i.e. NestedStruct.Field or NestedArrayField[0].Struct.Name and returns nil or ValidationErrors as error
+// You will need to assert the error if it's not nil i.e. err.(validator.ValidationErrors) to access the map of errors.
+func (v *Validate) StructExcept(current interface{}, fields ...string) error {
 
 	sv, _ := v.extractType(reflect.ValueOf(current))
 	name := sv.Type().Name()
@@ -356,7 +348,9 @@ func (v *Validate) StructExcept(current interface{}, fields ...string) Validatio
 }
 
 // Struct validates a structs exposed fields, and automatically validates nested structs, unless otherwise specified.
-func (v *Validate) Struct(current interface{}) ValidationErrors {
+// it returns nil or ValidationErrors as error.
+// You will need to assert the error if it's not nil i.e. err.(validator.ValidationErrors) to access the map of errors.
+func (v *Validate) Struct(current interface{}) error {
 
 	errs := errsPool.Get().(ValidationErrors)
 	sv := reflect.ValueOf(current)
@@ -420,11 +414,11 @@ func (v *Validate) traverseField(topStruct reflect.Value, currentStruct reflect.
 		return
 	}
 
-	cTag, isCached := tagsCache.Get(tag)
+	cTag, isCached := v.tagsCache.Get(tag)
 
 	if !isCached {
 		cTag = v.parseTags(tag, name)
-		tagsCache.Set(tag, cTag)
+		v.tagsCache.Set(tag, cTag)
 	}
 
 	current, kind := v.extractType(current)
@@ -561,7 +555,7 @@ func (v *Validate) validateField(topStruct reflect.Value, currentStruct reflect.
 
 		for _, val := range valTag.tagVals {
 
-			valFunc, ok = v.config.validationFuncs[val[0]]
+			valFunc, ok = v.validationFuncs[val[0]]
 			if !ok {
 				panic(strings.TrimSpace(fmt.Sprintf(undefinedValidation, name)))
 			}
@@ -596,7 +590,7 @@ func (v *Validate) validateField(topStruct reflect.Value, currentStruct reflect.
 		return true
 	}
 
-	valFunc, ok = v.config.validationFuncs[valTag.tagVals[0][0]]
+	valFunc, ok = v.validationFuncs[valTag.tagVals[0][0]]
 	if !ok {
 		panic(strings.TrimSpace(fmt.Sprintf(undefinedValidation, name)))
 	}

validator_test.go

@@ -113,7 +113,9 @@ type TestSlice struct {
 
 var validate = New(Config{TagName: "validate"})
 
-func AssertError(t *testing.T, errs ValidationErrors, key, field, expectedTag string) {
+func AssertError(t *testing.T, err error, key, field, expectedTag string) {
+
+	errs := err.(ValidationErrors)
 
 	val, ok := errs[key]
 	EqualSkip(t, 2, ok, true)
@@ -242,7 +244,7 @@ func TestAliasTags(t *testing.T) {
 	errs = validate.Struct(tst)
 	NotEqual(t, errs, nil)
 	AssertError(t, errs, "Test.Color", "Color", "iscolor")
-	Equal(t, errs["Test.Color"].ActualTag, "hexcolor|rgb|rgba|hsl|hsla")
+	Equal(t, errs.(ValidationErrors)["Test.Color"].ActualTag, "hexcolor|rgb|rgba|hsl|hsla")
 
 	validate.RegisterAliasValidation("req", "required,dive,iscolor")
 	arr := []string{"val1", "#fff", "#000"}
@@ -397,12 +399,12 @@ func TestStructPartial(t *testing.T) {
 	// these will fail as unset item IS tested
 	errs = validate.StructExcept(tPartial, p1...)
 	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "Test", "required")
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 
 	errs = validate.StructPartial(tPartial, p2...)
 	NotEqual(t, errs, nil)
 	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "Test", "required")
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 
 	// Unset second slice member concurrently to test dive behavior:
 	tPartial.SubSlice[1].Test = ""
@@ -417,13 +419,13 @@ func TestStructPartial(t *testing.T) {
 	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "Test", "required")
 
 	errs = validate.StructExcept(tPartial, p1...)
-	Equal(t, len(errs), 2)
+	Equal(t, len(errs.(ValidationErrors)), 2)
 	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "Test", "required")
 	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "Test", "required")
 
 	errs = validate.StructPartial(tPartial, p2...)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "TestPartial.SubSlice[0].Test", "Test", "required")
 
 	// reset struct in slice, and unset struct in slice in unset posistion
@@ -439,7 +441,7 @@ func TestStructPartial(t *testing.T) {
 	// testing for missing item by exception, yes it dives and fails
 	errs = validate.StructExcept(tPartial, p1...)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "TestPartial.SubSlice[1].Test", "Test", "required")
 
 	errs = validate.StructExcept(tPartial, p2...)
@@ -1303,7 +1305,7 @@ func TestSQLValue2Validation(t *testing.T) {
 
 	errs = validate.Struct(c)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 2)
+	Equal(t, len(errs.(ValidationErrors)), 2)
 	AssertError(t, errs, "CustomMadeUpStruct.MadeUp", "MadeUp", "required")
 	AssertError(t, errs, "CustomMadeUpStruct.OverriddenInt", "OverriddenInt", "gt")
 }
@@ -1362,7 +1364,7 @@ func TestSQLValueValidation(t *testing.T) {
 
 	errs = validate.Struct(c)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 2)
+	Equal(t, len(errs.(ValidationErrors)), 2)
 	AssertError(t, errs, "CustomMadeUpStruct.MadeUp", "MadeUp", "required")
 	AssertError(t, errs, "CustomMadeUpStruct.OverriddenInt", "OverriddenInt", "gt")
 }
@@ -1393,7 +1395,7 @@ func TestMACValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d mac failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "mac" {
 					t.Fatalf("Index: %d mac failed Error: %s", i, errs)
 				}
@@ -1431,7 +1433,7 @@ func TestIPValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ip failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "ip" {
 					t.Fatalf("Index: %d ip failed Error: %s", i, errs)
 				}
@@ -1469,7 +1471,7 @@ func TestIPv6Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ipv6 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "ipv6" {
 					t.Fatalf("Index: %d ipv6 failed Error: %s", i, errs)
 				}
@@ -1507,7 +1509,7 @@ func TestIPv4Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ipv4 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "ipv4" {
 					t.Fatalf("Index: %d ipv4 failed Error: %s", i, errs)
 				}
@@ -1664,7 +1666,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(s)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "ExternalCMD.Data", "Data", "required")
 
 	type ExternalCMD2 struct {
@@ -1681,7 +1683,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(s2)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "ExternalCMD2.Data", "Data", "len")
 
 	s3 := &ExternalCMD2{
@@ -1692,7 +1694,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(s3)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "ExternalCMD2.Data", "Data", "len")
 
 	type Inner struct {
@@ -1711,7 +1713,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(s4)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "ExternalCMD.Data.Name", "Name", "required")
 
 	type TestMapStructPtr struct {
@@ -1726,7 +1728,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(msp)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "TestMapStructPtr.Errs[3]", "Errs[3]", "len")
 
 	type TestMultiDimensionalStructs struct {
@@ -1744,7 +1746,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(tms)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 4)
+	Equal(t, len(errs.(ValidationErrors)), 4)
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][1].Name", "Name", "required")
@@ -1766,7 +1768,7 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Struct(tmsp2)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 6)
+	Equal(t, len(errs.(ValidationErrors)), 6)
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "Name", "required")
@@ -1778,24 +1780,24 @@ func TestInterfaceErrValidation(t *testing.T) {
 
 	errs = validate.Field(m, "len=3,dive,len=2")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "[3]", "[3]", "len")
 
 	errs = validate.Field(m, "len=2,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "", "", "len")
 
 	arr := []interface{}{"ok", "", "ok"}
 
 	errs = validate.Field(arr, "len=3,dive,len=2")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "[1]", "[1]", "len")
 
 	errs = validate.Field(arr, "len=2,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "", "", "len")
 
 	type MyStruct struct {
@@ -1822,12 +1824,12 @@ func TestMapDiveValidation(t *testing.T) {
 
 	errs = validate.Field(m, "len=3,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "[3]", "[3]", "required")
 
 	errs = validate.Field(m, "len=2,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "", "", "len")
 
 	type Inner struct {
@@ -1846,7 +1848,7 @@ func TestMapDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(ms)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "TestMapStruct.Errs[3].Name", "Name", "required")
 
 	// for full test coverage
@@ -1867,7 +1869,7 @@ func TestMapDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(mt)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 2)
+	Equal(t, len(errs.(ValidationErrors)), 2)
 	AssertError(t, errs, "TestMapTimeStruct.Errs[3]", "Errs[3]", "required")
 	AssertError(t, errs, "TestMapTimeStruct.Errs[4]", "Errs[4]", "required")
 
@@ -1883,7 +1885,7 @@ func TestMapDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(msp)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "TestMapStructPtr.Errs[3]", "Errs[3]", "required")
 
 	type TestMapStructPtr2 struct {
@@ -1906,12 +1908,12 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs := validate.Field(arr, "len=3,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "[1]", "[1]", "required")
 
 	errs = validate.Field(arr, "len=2,dive,required")
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "", "", "len")
 
 	type BadDive struct {
@@ -1934,7 +1936,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(test)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "Test.Errs[1]", "Errs[1]", "required")
 
 	test = &Test{
@@ -1943,7 +1945,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(test)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 1)
+	Equal(t, len(errs.(ValidationErrors)), 1)
 	AssertError(t, errs, "Test.Errs[2]", "Errs[2]", "required")
 
 	type TestMultiDimensional struct {
@@ -1961,7 +1963,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tm)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 4)
+	Equal(t, len(errs.(ValidationErrors)), 4)
 	AssertError(t, errs, "TestMultiDimensional.Errs[0][1]", "Errs[0][1]", "required")
 	AssertError(t, errs, "TestMultiDimensional.Errs[0][2]", "Errs[0][2]", "required")
 	AssertError(t, errs, "TestMultiDimensional.Errs[1][1]", "Errs[1][1]", "required")
@@ -1986,7 +1988,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tms)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 4)
+	Equal(t, len(errs.(ValidationErrors)), 4)
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructs.Errs[1][1].Name", "Name", "required")
@@ -2008,7 +2010,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tmsp)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 5)
+	Equal(t, len(errs.(ValidationErrors)), 5)
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr.Errs[1][1].Name", "Name", "required")
@@ -2035,7 +2037,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tmsp2)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 6)
+	Equal(t, len(errs.(ValidationErrors)), 6)
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr2.Errs[1][1].Name", "Name", "required")
@@ -2059,7 +2061,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tmsp3)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 5)
+	Equal(t, len(errs.(ValidationErrors)), 5)
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[0][1].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[0][2].Name", "Name", "required")
 	AssertError(t, errs, "TestMultiDimensionalStructsPtr3.Errs[1][1].Name", "Name", "required")
@@ -2086,7 +2088,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tmtp3)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 3)
+	Equal(t, len(errs.(ValidationErrors)), 3)
 	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[1][2]", "Errs[1][2]", "required")
 	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[2][1]", "Errs[2][1]", "required")
 	AssertError(t, errs, "TestMultiDimensionalTimeTime.Errs[2][2]", "Errs[2][2]", "required")
@@ -2111,7 +2113,7 @@ func TestArrayDiveValidation(t *testing.T) {
 
 	errs = validate.Struct(tmtp)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 3)
+	Equal(t, len(errs.(ValidationErrors)), 3)
 	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[1][2]", "Errs[1][2]", "required")
 	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[2][1]", "Errs[2][1]", "required")
 	AssertError(t, errs, "TestMultiDimensionalTimeTime2.Errs[2][2]", "Errs[2][2]", "required")
@@ -2234,7 +2236,7 @@ func TestSSNValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d SSN failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "ssn" {
 					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
 				}
@@ -2268,7 +2270,7 @@ func TestLongitudeValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d Longitude failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "longitude" {
 					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
 				}
@@ -2302,7 +2304,7 @@ func TestLatitudeValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "latitude" {
 					t.Fatalf("Index: %d Latitude failed Error: %s", i, errs)
 				}
@@ -2342,7 +2344,7 @@ func TestDataURIValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d DataURI failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "datauri" {
 					t.Fatalf("Index: %d DataURI failed Error: %s", i, errs)
 				}
@@ -2380,7 +2382,7 @@ func TestMultibyteValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d Multibyte failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "multibyte" {
 					t.Fatalf("Index: %d Multibyte failed Error: %s", i, errs)
 				}
@@ -2419,7 +2421,7 @@ func TestPrintableASCIIValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d Printable ASCII failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "printascii" {
 					t.Fatalf("Index: %d Printable ASCII failed Error: %s", i, errs)
 				}
@@ -2457,7 +2459,7 @@ func TestASCIIValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ASCII failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "ascii" {
 					t.Fatalf("Index: %d ASCII failed Error: %s", i, errs)
 				}
@@ -2492,7 +2494,7 @@ func TestUUID5Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d UUID5 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "uuid5" {
 					t.Fatalf("Index: %d UUID5 failed Error: %s", i, errs)
 				}
@@ -2526,7 +2528,7 @@ func TestUUID4Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d UUID4 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "uuid4" {
 					t.Fatalf("Index: %d UUID4 failed Error: %s", i, errs)
 				}
@@ -2559,7 +2561,7 @@ func TestUUID3Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d UUID3 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "uuid3" {
 					t.Fatalf("Index: %d UUID3 failed Error: %s", i, errs)
 				}
@@ -2595,7 +2597,7 @@ func TestUUIDValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d UUID failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "uuid" {
 					t.Fatalf("Index: %d UUID failed Error: %s", i, errs)
 				}
@@ -2633,7 +2635,7 @@ func TestISBNValidation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ISBN failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "isbn" {
 					t.Fatalf("Index: %d ISBN failed Error: %s", i, errs)
 				}
@@ -2670,7 +2672,7 @@ func TestISBN13Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ISBN13 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "isbn13" {
 					t.Fatalf("Index: %d ISBN13 failed Error: %s", i, errs)
 				}
@@ -2708,7 +2710,7 @@ func TestISBN10Validation(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d ISBN10 failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "isbn10" {
 					t.Fatalf("Index: %d ISBN10 failed Error: %s", i, errs)
 				}
@@ -4177,7 +4179,7 @@ func TestUrl(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d URL failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "url" {
 					t.Fatalf("Index: %d URL failed Error: %s", i, errs)
 				}
@@ -4241,7 +4243,7 @@ func TestUri(t *testing.T) {
 			if IsEqual(errs, nil) {
 				t.Fatalf("Index: %d URI failed Error: %s", i, errs)
 			} else {
-				val := errs[""]
+				val := errs.(ValidationErrors)[""]
 				if val.Tag != "uri" {
 					t.Fatalf("Index: %d URI failed Error: %s", i, errs)
 				}
@@ -4707,7 +4709,7 @@ func TestStructStringValidation(t *testing.T) {
 
 	// Assert Top Level
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 13)
+	Equal(t, len(errs.(ValidationErrors)), 13)
 
 	// Assert Fields
 	AssertError(t, errs, "TestString.Required", "Required", "required")
@@ -4762,7 +4764,7 @@ func TestStructInt32Validation(t *testing.T) {
 
 	// Assert Top Level
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 10)
+	Equal(t, len(errs.(ValidationErrors)), 10)
 
 	// Assert Fields
 	AssertError(t, errs, "TestInt32.Required", "Required", "required")
@@ -4804,7 +4806,7 @@ func TestStructUint64Validation(t *testing.T) {
 
 	// Assert Top Level
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 6)
+	Equal(t, len(errs.(ValidationErrors)), 6)
 
 	// Assert Fields
 	AssertError(t, errs, "TestUint64.Required", "Required", "required")
@@ -4842,7 +4844,7 @@ func TestStructFloat64Validation(t *testing.T) {
 
 	// Assert Top Level
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 6)
+	Equal(t, len(errs.(ValidationErrors)), 6)
 
 	// Assert Fields
 	AssertError(t, errs, "TestFloat64.Required", "Required", "required")
@@ -4878,7 +4880,7 @@ func TestStructSliceValidation(t *testing.T) {
 
 	errs = validate.Struct(tFail)
 	NotEqual(t, errs, nil)
-	Equal(t, len(errs), 6)
+	Equal(t, len(errs.(ValidationErrors)), 6)
 
 	// Assert Field Errors
 	AssertError(t, errs, "TestSlice.Required", "Required", "required")