Question

Let’s say you have a conditions with multiple ORs, e.g.

if action == 'new' || action == 'edit' || action == 'update'

Another way to write this is:

if ['new', 'edit', 'action'].include?(action)

but that feels like a ‘backwards’ way to write the logic.

Is there any built-in way to do something like:

if action.equals_any_of?('new', 'edit', 'action')

?

Update – I’m quite keen on this little snippet:

class Object
  def is_included_in?(a)
    a.include?(self)
  end
end

Update 2 – improvements based on the comments below:

class Object
  def in?(*obj)
    obj.flatten.include?(self)
  end
end

Answer 1

Use a regex?

action =~ /new|edit|action/

Or:

action.match /new|edit|action/

Or just write a simple utility method that’s semantically-meaningful in the context of your app.