Class: IntervalNotation::SymmetricDifferenceCombiner

Inherits:

Combiner

• Object
• Combiner
• IntervalNotation::SymmetricDifferenceCombiner

Defined in:

lib/interval_notation/combiners.rb

Instance Attribute Summary

• #include_last_point ⇒ Object readonly

  checks whether last passed point should be included.

Attributes inherited from Combiner

#num_interval_sets, #previous_state

Instance Method Summary

• #initialize ⇒ SymmetricDifferenceCombiner constructor

  A new instance of SymmetricDifferenceCombiner.

• #state ⇒ Object

  checks whether current section should be included.

Methods inherited from Combiner

#combine, #pass

Constructor Details

#initialize ⇒ SymmetricDifferenceCombiner

Returns a new instance of SymmetricDifferenceCombiner.

# File 'lib/interval_notation/combiners.rb', line 145

def initialize
  @include_last_point = nil
  @inside = [false, false]
end

Instance Attribute Details

#include_last_point ⇒ Object (readonly)

checks whether last passed point should be included

# File 'lib/interval_notation/combiners.rb', line 143

def include_last_point
  @include_last_point
end

Instance Method Details

#state ⇒ Object

checks whether current section should be included

# File 'lib/interval_notation/combiners.rb', line 151

def state
  @inside[0] ^ @inside[1]
end