NullRequirement.h

 
#pragma once 
 
#include "Requirement.h"
 
namespace Json
{
 
    class NullRequirement : public Requirement
    {
    public:
        virtual void Reset() {}
 
        virtual void Parse(Value, const std::string&) {}
 
 
        virtual void Validate(const Value& json, const std::string& path)
        {
            if(!json.isNull())
                PushError(path + ": Must be a null value");
        }
    };
}