SizeCalculatingOutputStream.h

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#pragma once
#include "Stream.h"
 
namespace catapult { namespace io {
 
    struct SizeCalculatingOutputStream : public io::OutputStream {
    public:
        size_t size() const {
            return m_size;
        }
 
    public:
        void write(const RawBuffer& buffer) override {
            m_size += buffer.Size;
        }
 
        void flush() override
        {}
 
    private:
        size_t m_size = 0;
    };
}}