http://d.puremagic.com/issues/show_bug.cgi?id=8792

           Summary: std.algorithm.joiner doesn't return a proper forward
                    range`
           Product: D
           Version: D2
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Phobos
        AssignedTo: nobody@puremagic.com
        ReportedBy: hsteoh@quickfur.ath.cx


--- Comment #0 from hsteoh@quickfur.ath.cx 2012-10-09 20:25:31 PDT ---
import std.algorithm;
import std.range;
import std.stdio;

void main() {
    auto x = [[1],[2],[3]];
    auto yy = x.joiner;

    assert(isForwardRange!(typeof(yy)));
    writeln(yy.save);
    writeln(yy);
}

The output is:

[]
[1, 2, 3]

Which means that yy.save didn't save at all! This is a pretty major bug since it makes joiner unusable where the result needs to be a forward range.

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--- Comment #1 from hsteoh@quickfur.ath.cx 2012-10-09 22:15:59 PDT ---
Found the bug: joiner.Result.save didn't copy 1 field over, so the saved range is defective.

https://github.com/D-Programming-Language/phobos/pull/853

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--- Comment #2 from github-bugzilla@puremagic.com 2012-10-13 14:26:38 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/0c4ebc2ce702ca6e06379d80e78efc9ccb050ced Fix issue 8792.

std.algorithm.joiner(ror).Result.save fails to copy over _valid_current, resulting in a defective copy returned by .save.

https://github.com/D-Programming-Language/phobos/commit/d215dabbe2c70e737556933e6820ae5b0bf9ab93 Add unittest for issue 8792.

https://github.com/D-Programming-Language/phobos/commit/a3289101b1561fa6ab87c7d24b14d9839d4f028c Merge pull request #853 from quickfur/issue8792

Fix issue 8792

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Jonathan M Davis <jmdavisProg@gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |jmdavisProg@gmx.com
         Resolution|                            |FIXED


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--- Comment #3 from github-bugzilla@puremagic.com 2012-10-14 08:28:15 PDT ---
Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/5a0c67f08553c05c532fe3c433e3bb944d8aa6dd Expanded test for issue# 8792.

https://github.com/D-Programming-Language/phobos/commit/5037dd00bd66ee195da3b95dd7a5baa99f451106 Merge pull request #866 from jmdavis/tests

Expanded test for issue# 8792.

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