Class: NilClass

Inherits:

Object

• Object
• NilClass

Defined in:

opal/opal/corelib/nil_class.rb

Instance Method Summary

• #&(other) ⇒ Object
• #==(other) ⇒ Object
• #^(other) ⇒ Object
• #dup ⇒ Object
• #inspect ⇒ Object
• #nil? ⇒ Boolean
• #object_id ⇒ Object (also: #hash)
• #singleton_class ⇒ Object
• #to_a ⇒ Object
• #to_h ⇒ Object
• #to_i ⇒ Object (also: #to_f)
• #to_s ⇒ Object
• #|(other) ⇒ Object

Instance Method Details

#&(other) ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 2

def &(other)
  false
end

#==(other) ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 14

def ==(other)
  `other === nil`
end

#^(other) ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 10

def ^(other)
  `other !== false && other !== nil`
end

#dup ⇒ Object

Raises:

• (TypeError)

# File 'opal/opal/corelib/nil_class.rb', line 18

def dup
  raise TypeError
end

#inspect ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 22

def inspect
  'nil'
end

#nil? ⇒ Boolean

Returns:

• (Boolean)

# File 'opal/opal/corelib/nil_class.rb', line 26

def nil?
  true
end

#object_id ⇒ Object Also known as: hash

# File 'opal/opal/corelib/nil_class.rb', line 52

def object_id
  `#{NilClass}._id || (#{NilClass}._id = $opal.uid())`
end

#singleton_class ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 30

def singleton_class
  NilClass
end

#to_a ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 34

def to_a
  []
end

#to_h ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 38

def to_h
  `$opal.hash()`
end

#to_i ⇒ Object Also known as: to_f

# File 'opal/opal/corelib/nil_class.rb', line 42

def to_i
  0
end

#to_s ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 48

def to_s
  ''
end

#|(other) ⇒ Object

# File 'opal/opal/corelib/nil_class.rb', line 6

def |(other)
  `other !== false && other !== nil`
end