Re: [Boost-users] [filesystem] Using basic_path in char-type generic code

Subject: Re: [Boost-users] [filesystem] Using basic_path in char-type generic code
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-02-26 18:05:47

AMDG

Adam Badura wrote:
>    I have a char-type generic function (character type is template 
> argument). I use only char and wchar_t character types with this 
> function and I don't care for other character types. I wanted to use 
> basic_path in that function so that I will get either path or wpath 
> depending on the template argument.
>    But I failed to do that since basic_path has second template 
> argument (Traits) which - as opposed to basic_string - does not 
> default to anything. Even more, there is no (or at least documentation 
> does not mention that) default path_traits template which could be 
> parametrized with the desired character type.
>    Why is it so? How to overcome it (otherwise then writing my own 
> auxiliary type selector)?
>
>    (I am using version boost 1.39 and will - hopefully, if it will 
> correct compilation errors - switch to 1.43 when it will be released.)

There are two independent structs, path_traits and wpath_traits.

In Christ,
Steven Watanabe