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Hi, my name is Marco. Working as a Senior Software Architect at Philips. This blog is statically generated using Next.js.

I wrote my first blog March 2011. Mostly I'm writing on software development. In total I wrote 67 articles in 6 categories. Use search below to filter by title or click a category or tag to filter by tag or category.

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Cover Image for Go interfaces and type assertions

Go interfaces and type assertions

Marco Franssen

Marco Franssen /

In this blog I would like to zoom in on Interfaces and type assertions in Go. Compared to language like c# and Java implementing interfaces works slightly different. In the remainder of this blog I want to give you a bit of theory and practical usecases. In case this is your first time working with Go you might want to check out this blog which shows you how to setup your development environment including a small hello world. The empty interface (interface{}) is an interface which defines zer…

Cover Image for Test and benchmark your code in go

Test and benchmark your code in go

Marco Franssen

Marco Franssen /

When I started writing my first programs in Go, I noticed the tooling ships out of the box with test and benchmark features. You simply follow some naming conventions when it comes to file names. You import a reference to the "testing" package which is kind of part of the language. Aaaand… Ready set, and of you Go with writing some tests and benchmarks in Go. In my earlier blog post I briefly touched writing a test in Go already. I recommend reading this blogpost whenever you are a real newby…