Class: Twostroke::Runtime::Types::Number

Inherits:
Primitive show all
Defined in:
lib/twostroke/runtime/types/number.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Value

#has_instance

Constructor Details

#initialize(number) ⇒ Number

Returns a new instance of Number.



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# File 'lib/twostroke/runtime/types/number.rb', line 4

def initialize(number)
  @number = number
end

Instance Attribute Details

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/twostroke/runtime/types/number.rb', line 3

def number
  @number
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/twostroke/runtime/types/number.rb', line 8

def ===(other)
  if number.zero? && other.is_a?(Number) && other.number.zero?
    # in javascript, -0 and 0 are not equal
    # in ruby they are, and the only way to check if a number is -0 is with #to_s
    # please correct me if there's a better way
    number.to_s[0] == other.number.to_s[0]
  else
    other.is_a?(Number) && number == other.number
  end
end

#infinite? ⇒ Boolean

Returns:



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# File 'lib/twostroke/runtime/types/number.rb', line 27

def infinite?
  number.is_a?(Float) && number.infinite?
end

#nan? ⇒ Boolean

Returns:



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# File 'lib/twostroke/runtime/types/number.rb', line 24

def nan?
  number.is_a?(Float) && number.nan?
end

#typeof ⇒ Object 



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# File 'lib/twostroke/runtime/types/number.rb', line 18

def typeof
  "number"
end

#zero? ⇒ Boolean

Returns:



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# File 'lib/twostroke/runtime/types/number.rb', line 21

def zero?
  number.zero?
end