Class: Sequence

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

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(starting_at = 1, sequencer = nil) ⇒ Sequence

Returns a new instance of Sequence.



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# File 'lib/superdupe/sequence.rb', line 4

def initialize(starting_at=1, sequencer=nil)
  @current_value = starting_at
  if sequencer && sequencer.arity != 1
    raise ArgumentError, "Your block must accept a single parameter"
  end
  @transformer = sequencer
end

Instance Attribute Details

#current_value ⇒ Object (readonly)

Returns the value of attribute current_value.



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# File 'lib/superdupe/sequence.rb', line 2

def current_value
  @current_value
end

Instance Method Details

#next ⇒ Object 



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# File 'lib/superdupe/sequence.rb', line 12

def next
  @current_value += 1
  if @transformer
    @transformer.call(@current_value - 1)
  else
    @current_value - 1
  end
end