Generics by Svetlin Ralchev
Question everything. Learn something. Answer everything.
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In the article we will take the advantage of [generics] even that they are not first citizen in Go. We will explore gen and genny command line tools. Gen Gen is a code generation tool that brings some generic query functions. It uses annotations to add this functionality to any structure. The generated code is part of your package and does not have any external dependencies. This approach avoids any reflection and produces an efficient concrete implementation for any annotated type.