Class: Nydp::Nil

Inherits:
Object
  • Object
show all
Defined in:
lib/nydp/truth.rb,
lib/nydp/truth.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new ⇒ Object 



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# File 'lib/nydp/truth.rb', line 35

def self.new ; raise "no" ; end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/nydp/truth.rb', line 16

def + other     ; other         ; end

#assign(*_) ⇒ Object 



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# File 'lib/nydp/truth.rb', line 18

def assign *_   ; self          ; end

#car ⇒ Object 



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# File 'lib/nydp/truth.rb', line 10

def car         ; self          ; end

#cdr ⇒ Object 



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# File 'lib/nydp/truth.rb', line 11

def cdr         ; self          ; end

#copy ⇒ Object 



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# File 'lib/nydp/truth.rb', line 17

def copy        ; self          ; end

#execute(vm) ⇒ Object 



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# File 'lib/nydp/truth.rb', line 22

def execute vm
  vm.push_arg self
end

#inspect ⇒ Object 



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# File 'lib/nydp/truth.rb', line 19

def inspect     ; "nil"         ; end

#is?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nydp/truth.rb', line 13

def is?   other ; (self.equal? other) ; end

#isnt?(other) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nydp/truth.rb', line 14

def isnt? other ; !is?(other)   ; end

#nydp_type ⇒ Object 



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# File 'lib/nydp/truth.rb', line 20

def nydp_type   ; :nil          ; end

#repush(_, contexts) ⇒ Object 



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# File 'lib/nydp/truth.rb', line 26

def repush _, contexts
  contexts.pop
end

#size ⇒ Object 



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# File 'lib/nydp/truth.rb', line 12

def size        ; 0             ; end

#to_s ⇒ Object 



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# File 'lib/nydp/truth.rb', line 15

def to_s        ; ""            ; end