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Showing all entries tagged with: Guide

Tips and tricks with implicit return in Nim

1st November 2019

One feature in Nim that it shares with several other languages, especially functional ones, is implicit return of values. This is one of those small features that might just seem like a way to avoid writing return everywhere. But in fact it can be used for much more than that! So what is implicit return? In Nim we have three ways to return a value from a procedure, you have the explicit way with return,…


Welcome to a brief explanation of history

17th September 2019

History, as you might know, is of course the GNU History Library. It is a utility that allows us to read, repeat, and track the commands we run in our shells. Apparently a lot of people feel really strongly about history, so I’ve added some quotes in this article to underline how nice of a feature this is.

A library is the delivery room for the birth of ideas, a place where history comes to life.

  • Norman…


Metaprogramming and read- and maintainability in Nim

4th June 2019

One thing I've mentioned about metaprogramming in Nim, both in posts on this site and in talks, is that metaprogramming in Nim can enhance read- and maintainability. Opponents of metaprogramming would probably sneer at that and remark that it's quite the opposite. And sure, metaprogramming is a powerful tool, and with any sufficiently powerful tool you have to be careful. The same way a chainsaw can take your leg off if you're not careful, a…


Handling files in Nim

4th May 2018

In a post over on Reddit someone noted that Nim doesn't really have any article or tutorial about file reading. Trying to prove them wrong led me to a half-answer over on Rosetta Code and a forum post from 2014 asking about examples on file handling. Since this is a rather simple topic I decided to write down some of the most common ways to handle files in Nim, partially in an attempt to make the…