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  1. I did a quick search of the website but I didn’t see something like this posted so I’d thought I’d post it. It’s probably been done before but I found that it pretty helpful in my current project. I usually use DVRs whenever I want to use the aggregation pattern (zero or more relationship). Many times though I want to sort or return an object from the array based on an attribute in the object (like name). Since I am using a DVR I found I can quickly make a hash table using variant attributes. I just use the “Name” or other unique value and make the DVR the value. I can then lookup a DVR by name through the variant. It stays really fast because the DVR is just a reference to the data and I am not looping through DVR references and comparing the name or unique value to the value in the object. Example use: I can lookup these commands by name or opcode using the variant hash table. I create the lookup based on name. I also create the lookup based on opcode I can then lookup the object very quickly based on name or opcode.
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