Description
symbol s provides the symbol 
s, even if 
s currently has a value.        
        
          
| i1 : num
o1 = num
o1 : Symbol
 | 
          
| i2 : num = 5
o2 = 5
 | 
          
| i3 : num
o3 = 5
 | 
          
| i4 : symbol num
o4 = num
o4 : Symbol
 | 
        
        
If 
s is an operator, then the corresponding symbol is provided.  This symbol is used by the interpreter in constructing keys for methods associated to the symbol.        
          
| i5 : symbol +
o5 = +
o5 : Keyword
 |