Class: Nendo::Nil

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/nendo.rb

Instance Method Summary collapse

Instance Method Details

#car ⇒ Object 



56
57
58
 
# File 'lib/nendo.rb', line 56

def car()
  raise "Error: Nil#car method:  pair required, but got ()"
end

#cdr ⇒ Object 



59
60
61
 
# File 'lib/nendo.rb', line 59

def cdr()
  raise "Error: Nil#cdr method:  pair required, but got ()"
end

#each ⇒ Object 



46
 
# File 'lib/nendo.rb', line 46

def each()               end

#getLastAtom ⇒ Object

Raises:

  • (RuntimeError) 


52
53
54
 
# File 'lib/nendo.rb', line 52

def getLastAtom() 
  raise RuntimeError, "Error: Nil#getLastAtom method:  this cell is not dotted list."
end

#isDotted ⇒ Object 



50
 
# File 'lib/nendo.rb', line 50

def isDotted()  false    end

#isNull ⇒ Object 



49
 
# File 'lib/nendo.rb', line 49

def isNull()    true     end

#lastAtom ⇒ Object 



51
 
# File 'lib/nendo.rb', line 51

def lastAtom()  false    end

#length ⇒ Object 



48
 
# File 'lib/nendo.rb', line 48

def length()    0        end

#to_arr ⇒ Object 



47
 
# File 'lib/nendo.rb', line 47

def to_arr()    []       end

#to_s ⇒ Object 



55
 
# File 'lib/nendo.rb', line 55

def to_s()      ""       end