Ranges and Exception handling PR 2724

[Jonathan Marler via Digitalmars-d]

On Tuesday, 25 November 2014 at 00:46:11 UTC, Jonathan Marler 
wrote:
> On Friday, 21 November 2014 at 16:57:29 UTC, Marco Leise wrote:
>> Am Fri, 21 Nov 2014 08:56:17 +0000
>> schrieb "Jonathan Marler" <johnnymarler at gmail.com>:
>>
>>> I actually ran into this problem today when using the 
>>> dirEntries function in std.file.  I was attempting to iterate 
>>> all the files on my C drive and I got an Access Denied error 
>>> which caused the DirIterator to throw an exception.  There's 
>>> nothing I could do to catch the exception and continue.  I'm 
>>> very glad people are aware of this problem and I'm glad you 
>>> are trying to do something about it.
>>
>> Yep, that dirEntries Exception is quite the show stopper. You
>> need to be certain that you have access to all directories
>> that it may encounter, which makes it unusable for file system
>> roots, but also breaks way to easily with unreadable
>> directories in user directories when all you need is a list of
>> the _accessible_ files.
>>
>> The bug reports so far:
>>
>> std.file: dirEntries-range crashes, when hitting the system 
>> folder "System Volume Information"
>> https://issues.dlang.org/show_bug.cgi?id=12513
>>
>> DirEntries throws in foreach
>> https://issues.dlang.org/show_bug.cgi?id=12391
>>
>> dirEntries throws when encountering a "long path" on windows
>> https://issues.dlang.org/show_bug.cgi?id=8967
>
> Submitted my idea as a PR in phobos here: 
> https://github.com/D-Programming-Language/phobos/pull/2655

Woops wrong link, heres the right one: 
https://github.com/D-Programming-Language/phobos/pull/2768