mattr_accessor(*syms, &blk)
Instance Public methods
Defines both class and instance accessors for class attributes.
module HairColors
mattr_accessor :hair_colors
end
class Person
include HairColors
end
Person.hair_colors = [:brown, :black, :blonde, :red]
Person.hair_colors # => [:brown, :black, :blonde, :red]
Person.new.hair_colors # => [:brown, :black, :blonde, :red]
If a subclass changes the value then that would also change the value for
parent class. Simila
