remove the double isStruct/isStructPtr check

@@ -342,6 +342,7 @@ func (v *Validation) Valid(obj interface{}) (b bool, err error) {
 // Anonymous fields will be ignored
 // Anonymous fields will be ignored
 func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 	//Step 1: validate obj itself firstly
 	//Step 1: validate obj itself firstly
+	// fails if objc is not struct
 	pass, err := v.Valid(objc)
 	pass, err := v.Valid(objc)
 	if err != nil || false == pass {
 	if err != nil || false == pass {
 		return pass, err // Stop recursive validation
 		return pass, err // Stop recursive validation
@@ -349,7 +350,6 @@ func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 		// Step 2: Validate struct's struct fields
 		// Step 2: Validate struct's struct fields
 		objT := reflect.TypeOf(objc)
 		objT := reflect.TypeOf(objc)
 		objV := reflect.ValueOf(objc)
 		objV := reflect.ValueOf(objc)
-		if isStruct(objT) || isStructPtr(objT) {
 
 
 		if isStructPtr(objT) {
 		if isStructPtr(objT) {
 			objT = objT.Elem()
 			objT = objT.Elem()
@@ -360,6 +360,7 @@ func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 
 
 			t := objT.Field(i).Type
 			t := objT.Field(i).Type
 
 
+			// Recursive applies to struct or pointer to structs fields
 			if isStruct(t) || isStructPtr(t) {
 			if isStruct(t) || isStructPtr(t) {
 				// Step 3: do the recursive validation
 				// Step 3: do the recursive validation
 				// Only valid the Public field recursively
 				// Only valid the Public field recursively
@@ -368,7 +369,6 @@ func (v *Validation) RecursiveValid(objc interface{}) (bool, error) {
 				}
 				}
 			}
 			}
 		}
 		}
-		}
 
 
 		return pass, err
 		return pass, err
 	}
 	}