Re: [boost] Re: Re: Numeric conversions lib comments

From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-03-26 13:54:18

Jonathan Turkanis wrote:
>
> This is probably the best characterization of the traits/policy
> distinction I've heard. I don't agree entirely about basic_string,
> however; I think that the comparison functions such as
> char_traits::compare have to be made available through template
> parameters, otherwise you wouldn't be able to reuse basic_string if
> you want strings with different comparison criteria.

I thought it was already common knowledge that the idea of using the
'char_traits' policy parameter of basic_string to override comparisons is
inherently flawed. Usually the kind of comparison you want depends on the
context where the string is used, not on the type of the string.