Re: [filesystem] becoming worse than the standard?

From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2022-08-15 15:46:04

On 15/08/2022 16:42, Andrey Semashev via Boost wrote:
> On 8/15/22 18:32, Vinnie Falco wrote:
>>
>> boost::filesystem::path used to meet the requirements of MutableString,
>> but now does not:
>> https://master.url.cpp.al/url/concepts/mutablestring.html
>> <https://master.url.cpp.al/url/concepts/mutablestring.html>
> 
> It does not meet the requirements on Windows, and never did -
> path::value_type is wchar_t there.
> 
> Also, you don't define the semantics of the operations, in particular,
> what is the expected result. Regardless of the platform, path::append
> does not merely appends characters, it appends a path, which may result
> in appending a directory delimiter or completely replacing the path if
> the argument is an absolute path. Depending on what exactly you mean by
> "Appends the characters", this may or may not qualify.

Also "foo/bar" == "foo//bar" for filesystem paths. And several other 
comparisons are equal which wouldn't be if a filesystem path were a 
basic string.

Niall