Function Token.opEquals
Tokens with differing symbols are always unequal.
Tokens with differing values are always unequal.
Tokens with differing Value
types are always unequal.
Member 'location
' is always ignored for comparison.
Member 'data
' is ignored for comparison *EXCEPT* when the symbol
is Ident.
Prototypes
bool opEquals( Token b ); bool opEquals( ref Token b );