Skip to content
This repository
tree: c20838596b
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 34 lines (32 sloc) 0.905 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
class Object
  # Returns a hash that maps instance variable names without "@" to their
  # corresponding values. Keys are strings both in Ruby 1.8 and 1.9.
  #
  # class C
  # def initialize(x, y)
  # @x, @y = x, y
  # end
  # end
  #
  # C.new(0, 1).instance_values # => {"x" => 0, "y" => 1}
  def instance_values #:nodoc:
    Hash[instance_variables.map { |name| [name.to_s[1..-1], instance_variable_get(name)] }]
  end

  # Returns an array of instance variable names including "@". They are strings
  # both in Ruby 1.8 and 1.9.
  #
  # class C
  # def initialize(x, y)
  # @x, @y = x, y
  # end
  # end
  #
  # C.new(0, 1).instance_variable_names # => ["@y", "@x"]
  if RUBY_VERSION >= '1.9'
    def instance_variable_names
      instance_variables.map { |var| var.to_s }
    end
  else
    alias_method :instance_variable_names, :instance_variables
  end
end
Something went wrong with that request. Please try again.