Posts in ruby

Why decorate objects instead of using inheritance? It’s a more dynamic, flexible and transparent alternative to subclassing. There’s several different ways of using the decorator pattern in Ruby, but I’m just going to show the module/extend approach. You can read about other decorator techniques in Dan Croak’s blog post. Use a module and extend to […]

nil‘s in Ruby can be annoying. Thankfully, Ruby version 2.3.0 gave us a safe navigation operator, something that other languages like C# and Swift already had. It’s very much like ActiveSupport’s try method, which checks if a receiver responds to a method before calling that method. If the receive doesn’t respond to the method, nil […]