Class NilClass
In: object.c
Parent: Object

The class of the singleton object nil.

Methods

&   ^   inspect   nil?   to_a   to_f   to_i   to_s   |  

Public Instance methods

And—Returns false. obj is always evaluated as it is the argument to a method call—there is no short-circuit evaluation in this case.

Exclusive Or—If obj is nil or false, returns false; otherwise, returns true.

Always returns the string "nil".

call_seq:

  nil.nil?               => true

Only the object nil responds true to nil?.

Always returns an empty array.

   nil.to_a   #=> []

Always returns zero.

   nil.to_f   #=> 0.0

Always returns zero.

   nil.to_i   #=> 0

Always returns the empty string.

   nil.to_s   #=> ""

Or—Returns false if obj is nil or false; true otherwise.

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