I’ve been using this for about a year and a half.
Abomination or legitimate tool for the box?
Usage
two dots or more. nil anywhere in the chain is an acceptable response.
campaign = swallow_nil { supporter.politician.campaign }
Definition
def swallow_nil
yield
rescue NoMethodError
nil
end
try()
It’s similar to try from ActiveSupport except for chains instead of individual methods.
Law of Demeter
Are you strict about Law of Demeter violations?
Or, do you find yourself with occasional chains like this that could benefit
from swallow_nil() or try() or andand()?
