Class: SimpleEnum::Multiple::Coders::Bitwise

Inherits:
Object
  • Object
show all
Defined in:
lib/simple_enum/multiple/coders/bitwise.rb

Class Method Summary collapse

Class Method Details

.dump(array) ⇒ Object 



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# File 'lib/simple_enum/multiple/coders/bitwise.rb', line 14

def self.dump(array)
  array.map do |i|
    1 << i
  end.reduce(&:+)
end

.load(data) ⇒ Object 



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# File 'lib/simple_enum/multiple/coders/bitwise.rb', line 5

def self.load(data)
  n = data.to_i
  (0..Math.log2(n).floor).reject do |i|
    (n & (1 << i)).zero?
  end
rescue FloatDomainError, Math::DomainError
  []
end