method_spells_binding.rb

class Person
  def initialize(n)
    @name = n
  end

  def issues
    family = "No Money"
    relationship = "Complex"
    friends = "No Friends"
    binding
  end

  def get_binding
    binding
  end
end

aboki = Person.new("Aboki")
aboki_binding = aboki.get_binding
aboki_issue_binding = aboki.issues
T
eval("@name", aboki_binding)   #=> "Aboki"
eval("@name", aboki_issue_binding)   #=> "Aboki"
eval("family", aboki_issue_binding) #=> "No Money"
eval("relationship", aboki_issue_binding) #=> "Complex"
aboki_issue_binding.local_variable_get(:friends) #=> "No Friends"
eval("family", aboki_binding)   #=> undefined local variable or method `family'