MRWriter.h

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#pragma once
 
namespace MR
{
 
// the purpose of this struct is to invalidate object cache in its destructor
template<class T>
struct Writer
{
    T & obj;
    Writer( T & o ) : obj( o ) { }
    ~Writer() { obj.invalidateCaches(); }
};
 
#define MR_WRITER( obj ) MR::Writer _writer( obj );
 
} //namespace MR