http://imil.net/blog/tags/tips/ Recent content in Tips on iMil.net Hugo en-us Fri, 01 Mar 2019 17:16:48 +0000 http://imil.net/blog/posts/2019/golang-reflection-tips/ Fri, 01 Mar 2019 17:16:48 +0000 http://imil.net/blog/posts/2019/golang-reflection-tips/ <p>Because I&rsquo;m the kind of person who likes genericity, I often find myself using features of languages that are flagged as <em>&ldquo;only use it if you know what you&rsquo;re doing&rdquo;</em>. <em>Golang reflection</em> is one of those features, powerful yet a bit confusing.</p> <p>Reflection, as explained in <a href="https://golang.org/pkg/reflect/">The Laws of Reflection</a> is <em>the ability of a program to examine its own structure, particularly through types; it&rsquo;s a form of metaprogramming</em></p> <p>In short, you can introspect variables at run-time, making your program exceptionally dynamic. How can this serve any purpose? well imagine for example creating function names dynamically by another function parameter. Pretty cool uh?</p>