Ruby assign context to lambda?

Question

Is it possible not to assign context to lambda?

For example:

class Rule
  def get_rule
    return lambda {puts name}
  end
end

class Person
  attr_         


        

Answer 1

In the spirit of being really late to the party ;-)

I think the pattern that you are using here is the Strategy pattern. This separates the concerns between the code that changes "rules" and the part that is re-used "person". The other strength of this pattern is that you can change the rules at run-time.

How it could look

class Person
  attr_accessor :name

  def initialize(&rules)
    @name = "ruby"
    instance_eval(&rules)
  end
end

Person.new do 
  puts @name
end

=> ruby