Class: NilClass

Inherits:

Object

• Object
• NilClass

Includes:

Enumerable

Defined in:

lib/apricot/ruby_ext.rb

Instance Method Summary

• #each ⇒ Object
• #empty? ⇒ Boolean
• #first ⇒ Object
• #next ⇒ Object
• #rest ⇒ Object
• #to_seq ⇒ Object

  Seq Methods Many functions that return seqs occasionally return nil, so it’s convenient if nil can respond to some of the same methods as seqs.

Methods included from Enumerable

#to_list

Instance Method Details

#each ⇒ Object

# File 'lib/apricot/ruby_ext.rb', line 239

def each
end

#empty? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/apricot/ruby_ext.rb', line 242

def empty?
  true
end

#first ⇒ Object

# File 'lib/apricot/ruby_ext.rb', line 254

def first
  nil
end

#next ⇒ Object

# File 'lib/apricot/ruby_ext.rb', line 258

def next
  nil
end

#rest ⇒ Object

# File 'lib/apricot/ruby_ext.rb', line 262

def rest
  Apricot::List::EMPTY_LIST
end

#to_seq ⇒ Object

Seq Methods Many functions that return seqs occasionally return nil, so it’s convenient if nil can respond to some of the same methods as seqs.

# File 'lib/apricot/ruby_ext.rb', line 250

def to_seq
  nil
end