why pass the Field names, they already belong to the namespaces...

errors.go

@@ -132,8 +132,10 @@ type fieldError struct {
 	actualTag      string
 	ns             string
 	structNs       string
-	field       string
-	structField string
+	fieldLen       int
+	structfieldLen int
+	// field       string
+	// structField string
 	value interface{}
 	param string
 	kind  reflect.Kind
@@ -166,12 +168,14 @@ func (fe *fieldError) StructNamespace() string {
 // Field returns the fields name with the tag name taking precedence over the
 // fields actual name.
 func (fe *fieldError) Field() string {
-	return fe.field
+	// return fe.field
+	return fe.ns[len(fe.ns)-fe.fieldLen:]
 }
 
 // returns the fields actual name from the struct, when able to determine.
 func (fe *fieldError) StructField() string {
-	return fe.structField
+	// return fe.structField
+	return fe.structNs[len(fe.structNs)-fe.structfieldLen:]
 }
 
 // Value returns the actual fields value in case needed for creating the error
@@ -198,5 +202,5 @@ func (fe *fieldError) Type() reflect.Type {
 
 // Error returns the fieldError's error message
 func (fe *fieldError) Error() string {
-	return fmt.Sprintf(fieldErrMsg, fe.ns, fe.field, fe.tag)
+	return fmt.Sprintf(fieldErrMsg, fe.ns, fe.Field(), fe.tag)
 }

struct_level.go

@@ -121,8 +121,8 @@ func (v *validate) ReportError(field interface{}, fieldName, structFieldName, ta
 				actualTag:      tag,
 				ns:             v.str1,
 				structNs:       v.str2,
-				field:       fieldName,
-				structField: structFieldName,
+				fieldLen:       len(fieldName),
+				structfieldLen: len(structFieldName),
 				param:          param,
 				kind:           kind,
 			},
@@ -136,8 +136,8 @@ func (v *validate) ReportError(field interface{}, fieldName, structFieldName, ta
 			actualTag:      tag,
 			ns:             v.str1,
 			structNs:       v.str2,
-			field:       fieldName,
-			structField: structFieldName,
+			fieldLen:       len(fieldName),
+			structfieldLen: len(structFieldName),
 			value:          fv.Interface(),
 			param:          param,
 			kind:           kind,

validator.go

@@ -117,8 +117,8 @@ func (v *validate) traverseField(parent reflect.Value, current reflect.Value, ns
 						actualTag:      ct.tag,
 						ns:             v.str1,
 						structNs:       v.str2,
-						field:       cf.altName,
-						structField: cf.name,
+						fieldLen:       len(cf.altName),
+						structfieldLen: len(cf.name),
 						param:          ct.param,
 						kind:           kind,
 					},
@@ -133,8 +133,8 @@ func (v *validate) traverseField(parent reflect.Value, current reflect.Value, ns
 					actualTag:      ct.tag,
 					ns:             v.str1,
 					structNs:       v.str2,
-					field:       cf.altName,
-					structField: cf.name,
+					fieldLen:       len(cf.altName),
+					structfieldLen: len(cf.name),
 					value:          current.Interface(),
 					param:          ct.param,
 					kind:           kind,
@@ -327,8 +327,8 @@ OUTER:
 								actualTag:      ct.actualAliasTag,
 								ns:             v.str1,
 								structNs:       v.str2,
-								field:       cf.altName,
-								structField: cf.name,
+								fieldLen:       len(cf.altName),
+								structfieldLen: len(cf.name),
 								value:          current.Interface(),
 								param:          ct.param,
 								kind:           kind,
@@ -346,8 +346,8 @@ OUTER:
 								actualTag:      tVal,
 								ns:             v.str1,
 								structNs:       v.str2,
-								field:       cf.altName,
-								structField: cf.name,
+								fieldLen:       len(cf.altName),
+								structfieldLen: len(cf.name),
 								value:          current.Interface(),
 								param:          ct.param,
 								kind:           kind,
@@ -385,8 +385,8 @@ OUTER:
 						actualTag:      ct.tag,
 						ns:             v.str1,
 						structNs:       v.str2,
-						field:       cf.altName,
-						structField: cf.name,
+						fieldLen:       len(cf.altName),
+						structfieldLen: len(cf.name),
 						value:          current.Interface(),
 						param:          ct.param,
 						kind:           kind,