About this ‘A Language a Day’ Advent Calendar 2019 Welcome to Day 6 of this year’s A Language a Day Advent Calendar. Today’s topic is introduction to the Crystal programming language. Facts about the language Some facts about Crystal Based on Ruby Static type checking Everything is an object Compiled language (but also allows script execution) … Continue reading “Crystal at a Glance — A Language a Day, Advent Calendar 2019 Day 6/24”