add reflect struct field

cache.go

@@ -80,6 +80,7 @@ type cField struct {
 	altName     string
 	namesEqual  bool
 	cTags       *cTag
+	structField reflect.StructField
 }
 
 type cTag struct {
@@ -165,6 +166,7 @@ func (v *Validate) extractStructCache(current reflect.Value, sName string) *cStr
 			altName:     customName,
 			cTags:       ctag,
 			namesEqual:  fld.Name == customName,
+			structField: fld,
 		})
 	}
 	v.structCache.Set(typ, cs)

errors.go

@@ -149,6 +149,8 @@ type FieldError interface {
 	// eg. time.Time's type is time.Time
 	Type() reflect.Type
 
+	ReflectStructField() reflect.StructField
+
 	// Translate returns the FieldError's translated error
 	// from the provided 'ut.Translator' and registered 'TranslationFunc'
 	//
@@ -179,6 +181,7 @@ type fieldError struct {
 	param          string
 	kind           reflect.Kind
 	typ            reflect.Type
+	structField    reflect.StructField
 }
 
 // Tag returns the validation tag that failed.
@@ -227,6 +230,12 @@ func (fe *fieldError) StructField() string {
 	return fe.structNs[len(fe.structNs)-int(fe.structfieldLen):]
 }
 
+// ReflectStructField get reflect struct field
+func (fe *fieldError) ReflectStructField() reflect.StructField {
+	// return fe.structField
+	return fe.structField
+}
+
 // Value returns the actual field's value in case needed for creating the error
 // message
 func (fe *fieldError) Value() interface{} {

validator.go

@@ -129,6 +129,7 @@ func (v *validate) traverseField(ctx context.Context, parent reflect.Value, curr
 						structfieldLen: uint8(len(cf.name)),
 						param:          ct.param,
 						kind:           kind,
+						structField:    cf.structField,
 					},
 				)
 				return
@@ -154,6 +155,7 @@ func (v *validate) traverseField(ctx context.Context, parent reflect.Value, curr
 						param:          ct.param,
 						kind:           kind,
 						typ:            current.Type(),
+						structField:    cf.structField,
 					},
 				)
 				return
@@ -199,6 +201,7 @@ func (v *validate) traverseField(ctx context.Context, parent reflect.Value, curr
 								param:          ct.param,
 								kind:           kind,
 								typ:            typ,
+								structField:    cf.structField,
 							},
 						)
 						return
@@ -413,6 +416,7 @@ OUTER:
 								param:          ct.param,
 								kind:           kind,
 								typ:            typ,
+								structField:    cf.structField,
 							},
 						)
 
@@ -433,6 +437,7 @@ OUTER:
 								param:          ct.param,
 								kind:           kind,
 								typ:            typ,
+								structField:    cf.structField,
 							},
 						)
 					}
@@ -474,6 +479,7 @@ OUTER:
 						param:          ct.param,
 						kind:           kind,
 						typ:            typ,
+						structField:    cf.structField,
 					},
 				)