Class: FpGrowth::PrefixPath

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(support = 1, array = []) ⇒ PrefixPath

Returns a new instance of PrefixPath.



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# File 'lib/fp_growth/prefix_path.rb', line 5

def initialize(support = 1, array = [])
  @array = array
  @support = support
end

Instance Attribute Details

#support ⇒ Object (readonly)

Returns the value of attribute support.



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# File 'lib/fp_growth/prefix_path.rb', line 3

def support
  @support
end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/fp_growth/prefix_path.rb', line 25

def +(other)
  return self unless other
  FpGrowth::PrefixPath.new([@support, other.support].min, @array + other.to_a)
end

#<<(arg) ⇒ Object

delegate



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# File 'lib/fp_growth/prefix_path.rb', line 16

def <<(arg)
  @array << arg
end

#==(other) ⇒ Object 



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# File 'lib/fp_growth/prefix_path.rb', line 38

def ==(other)
  (support == other.support) && (to_a.content_equal?(other.to_a))
end

#each(&block) ⇒ Object

delegate



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# File 'lib/fp_growth/prefix_path.rb', line 11

def each(&block)
  @array.each(&block)
end

#size ⇒ Object

delegate



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# File 'lib/fp_growth/prefix_path.rb', line 21

def size
  @array.size
end

#to_a ⇒ Object 



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# File 'lib/fp_growth/prefix_path.rb', line 34

def to_a
  @array
end

#to_s ⇒ Object 



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# File 'lib/fp_growth/prefix_path.rb', line 30

def to_s
  "[#{@array}:#{support}]"
end