Hi Roland,

>
> IMO, the age of 'boosted' libraries is gone. A library may be

This seems quite biased.

> configurable in some way as long as it provides reasonable defaults

Well, that's the plan - to provide reasonable defaults.

> ('convention over configuration'). But configuration via policy
> template parameters introduces high, unnecessary complexity that
> hardly any real-world user is willing to accept.
>

It all depends on ease of use. I will definitely provide defaults and
easy configuration for different scenarios.

Best,
John


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On Mon, 15 Oct 2007 03:52:23 CST, jtorjo2007@yahoo.com wrote:
>> configurable in some way as long as it provides reasonable defaults
>
>Well, that's the plan - to provide reasonable defaults.
>
>> ('convention over configuration'). But configuration via policy
>> template parameters introduces high, unnecessary complexity that
>> hardly any real-world user is willing to accept.
>
>It all depends on ease of use. I will definitely provide defaults and
>easy configuration for different scenarios.

The problem with policy template parameters is that they are an
unavoidable part of the user interface and e.g. pop up in compiler
error messages.


--
Roland Pibinger
"The best software is simple, elegant, and full of drama" - Grady Booch

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> >It all depends on ease of use. I will definitely provide defaults and
> >easy configuration for different scenarios.
>
> The problem with policy template parameters is that they are an
> unavoidable part of the user interface and e.g. pop up in compiler
> error messages.
>

Then all I have to do is make sure there won't be any compile
errors :P
That is, initializing the lib will be just a few lines of code.

Best,
John


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On Oct 15, 7:04 pm, rpbg...@yahoo.com (Roland Pibinger) wrote:
>
> The problem with policy template parameters is that they are an
> unavoidable part of the user interface and e.g. pop up in compiler
> error messages.

I agree, but care can be taken to make the error messages at least
readable. I use the boost concept checking library to ensure that the
template parameters passed in meet the requirements, this should
produce much shorter and more immediate error messages when something
is wrong with a policy. It will be improved even more with C++0x with
concepts being built right into the language.

Neal


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