Class: ReachingArray

Inherits:
Object
  • Object
show all
Defined in:
lib/reachable.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(retract) ⇒ ReachingArray

Returns a new instance of ReachingArray.



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# File 'lib/reachable.rb', line 33

def initialize(retract)
  @retract = retract
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object

The method could be missing from the array, the members, or both. Try to pass the method to each, in that order, accepting the first taker



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# File 'lib/reachable.rb', line 39

def method_missing(method, *args, &block)
  if @retract.respond_to?(method)
    # If this is an array method, just use that
    r = @retract.send(method, *args, &block)
    return r
  else
    # If this is an object-specific method, run an each on it.
    # A simple each won't work because that doesn't modify the
    # array elements in place as we want, so have to use collect
    # instead.
    @retract = @retract.collect do |o|
      unless o.kind_of?(Array)
        o.send(method, *args, &block)
      else
        # Update in 0.2.1: If the element of the array is an array
        # itself, then operate on it as a ReachingArray as well.
        o.reach.send(method, *args, &block).retract
      end
    end
    return self
  end
end

Instance Attribute Details

#retract ⇒ Object

The array that this reaching array is extending. This might be a real Array, or a ReachingArray



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# File 'lib/reachable.rb', line 31

def retract
  @retract
end

Instance Method Details

#==(another) ⇒ Object

Equality test - equality of the underlying retract arrays is all that matter



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# File 'lib/reachable.rb', line 64

def ==(another)
  @retract <=> another.retract
end

#slap ⇒ Object 



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# File 'lib/reachable.rb', line 72

def slap
  retract.slap
end

#to_s ⇒ Object 



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# File 'lib/reachable.rb', line 68

def to_s
  method_missing(:to_s)
end