Class: H8::UndefinedClass

Inherits:
Object show all
Includes:
Singleton
Defined in:
lib/h8/tools.rb,
ext/h8/main.cpp

Overview

The class representing undefined in javascript. Singleton Note that H8::Undefined == false but is not FalseClass

Instance Method Summary collapse

Instance Method Details

#! ⇒ Object 



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# File 'lib/h8/tools.rb', line 25

def !
  true
end

#==(x) ⇒ Object 



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# File 'lib/h8/tools.rb', line 29

def == x
  x.is_a?(H8::UndefinedClass) || x == false
end

#blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/h8/tools.rb', line 9

def blank?
  true
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/h8/tools.rb', line 17

def empty?
  true
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/h8/tools.rb', line 21

def present?
  false
end

#undefined? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/h8/tools.rb', line 13

def undefined?
  true
end