nil?()
public
call_seq:
nil.nil? => true
<anything_else>.nil? => false
Only the object nil responds true to nil?.
/*
* call_seq:
* nil.nil? => true
* <anything_else>.nil? => false
*
* Only the object <i>nil</i> responds <code>true</code> to <code>nil?</code>.
*/
static VALUE
rb_false(obj)
VALUE obj;
{
return Qfalse;
}