Re: [boost] Re: lexical_cast and gcc 2.96

From: Peter Dimov (pdimov_at_[hidden])
Date: 2001-10-17 06:36:08

From: "Kevlin Henney" <kevlin_at_[hidden]>
> I think this is an excellent suggestion. What are Booster preferences
> from the following possibilities:
>
> (1) Add specific throws:
>   (a) Not at all.
>   (b) Distinguished by initialiser string.
>   (c) Distinguished by enum.
>   (d) Both (b) and (c).

I strongly suggest

(e) distinguished by exception type.

Init strings are useless in general (for nontrivial applications) - you've
no control over them and, for some parts of the world, they are in the wrong
language. :-)

> (2) Add type information details:
>   (a) Not at all.
>   (b) In exception result string.
>   (c) As attributes to represent the type_info of the source and target.
>   (d) Both (b) and (c).

(c). (d) is fine, but see above.

BTW, what happened with the idea to specialize lexical_cast for string ->
string, string -> X, X -> string? What about wchar_t overloads? I currently
need from_string and to_string conversions and the plain lexical_cast<>
doesn't really work well (if at all.)

--
Peter Dimov
Multi Media Ltd.