Re: [boost] Yet another bignum type

From: simon.sebright_at_[hidden]
Date: 2006-12-01 07:46:22

Tobias wrote: 

> Maarten Kronenburg wrote:
> > The class represents the set, and an object of that class 
> represents 
> > an element from that set,
> 
> Agreed, so far.
> 
> > whether the set is employees and secretaries, or integers 
> and unsigned 
> > integers.
> 
> The operations on secretaries are usually a superset of the 
> operations on employees, while the operations on unsigned 
> integers are a subset of the operations on signed integers. 
> 
> Inheritance is only applicable in the former case. The flaw 
> in the latter scenario is similar to adding operations 
> specific to secretaries, trainees or managers to the 
> interface of 'employee'. 

Things like secretary, manager, etc. might better be considered as
roles, an employee might have > 1 role.

Simon