···

       
110
       
110
       
 
       
			// returns false for other "zero" values

     

       
111
       
111
       
 
       
			return t == nil

     

       
112
       
112
       
 
       
		},

     

       
113
       
113
       
-
       
		"not": func(t bool) bool {

     

       
114
       
114
       
-
       
			return !t

     

       
115
       
115
       
-
       
		},

     

       
116
       
113
       
 
       
	}

     

       
117
       
114
       
 
       
}