Module: Stupidedi::Sets

Defined in:

lib/stupidedi/sets.rb,
lib/stupidedi/sets/null_set.rb,
lib/stupidedi/sets/abstract_set.rb,
lib/stupidedi/sets/relative_set.rb,
lib/stupidedi/sets/absolute_set.rb,
lib/stupidedi/sets/universal_set.rb,
lib/stupidedi/sets/relative_complement.rb

Defined Under Namespace

Classes: AbsoluteSet, AbstractSet, RelativeComplement, RelativeSet

Constant Summary

Constructors (collapse)

• + (Sets::AbsoluteSet) absolute(other, universe = other)
• + (Sets::AbstractSet) build(object)
• + (Sets::AbstractSet) complement(other)
• + (Sets::NullSet) empty
• + (Sets::UniversalSet) universal

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# File 'lib/stupidedi/sets.rb', line 44

def absolute(other, universe = other)
  if universe.eql?(other)
    Sets::AbsoluteSet.build(universe)
  else
    Sets::AbsoluteSet.build(universe).intersection(other)
  end
end

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# File 'lib/stupidedi/sets.rb', line 17

def build(object)
  if object.is_a?(Sets::AbstractSet)
    object
  elsif object.is_a?(Enumerable)
    Sets::RelativeSet.build(object)
  else
    raise TypeError,
      "argument must be an AbstractSet or Enumerable"
  end
end

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# File 'lib/stupidedi/sets.rb', line 29

def complement(other)
  build(other).complement
end

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# File 'lib/stupidedi/sets.rb', line 39

def empty
  Sets::NullSet.build
end

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# File 'lib/stupidedi/sets.rb', line 34

def universal
  Sets::UniversalSet.build
end