method

new

v1_8_7_330 - Show latest stable - 0 notes - Class: Delegator

new(obj) public

Pass in the obj to delegate method calls to. All methods supported by obj will be delegated to.

# File lib/delegate.rb, line 124
  def initialize(obj)
    preserved = ::Kernel.public_instance_methods(false)
    preserved -= ["to_s","to_a","inspect","==","=~","==="]
    for t in self.class.ancestors
      preserved |= t.public_instance_methods(false)
      preserved |= t.private_instance_methods(false)
      preserved |= t.protected_instance_methods(false)
      break if t == Delegator
    end
    preserved << "singleton_method_added"
    for method in obj.methods
      next if preserved.include? method
      begin
        eval "def self.\#{method}(*args, &block)\nbegin\n__getobj__.__send__(:\#{method}, *args, &block)\nensure\n$@.delete_if{|s|IgnoreBacktracePat=~s} if $@\nend\nend\n", nil, __FILE__, __LINE__+1
      rescue SyntaxError
        raise NameError, "invalid identifier %s" % method, caller(4)
      end
    end
  end

new

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