Re: [boost] Interval Library and comparison operators

From: Gabriel Dos Reis (gdr_at_[hidden])
Date: 2002-09-06 18:19:45

Sylvain Pion <pion_at_[hidden]> writes:

| On Fri, Sep 06, 2002 at 03:28:09PM -0400, Douglas Gregor wrote:
| > > Sure, but at that point, I think it becomes confusing and bug-proning to
| > > provide a default.
| > 
| > If there isn't a default like compare_full, then interval<T> can't be used 
| > like a numeric type in generic code, so we'll have talked the library out of 
| > its intended area of usefulness!
| 
| This is wrong.
| 
| If there is no default, it ONLY means you have to choose a Comparison_policy
| explicitely.

In any case, the Compare function is *explicitly* choosen.  You should
not confuse semantics with syntax.  It is just that when a default
comparaison is provided, it is not *spelled* out. That doesn't mean it
isn't explicity chosen.

-- Gaby