• d-bugmail puremagic.com (38/38) Oct 13 2010 http://d.puremagic.com/issues/show_bug.cgi?id=5049
• d-bugmail puremagic.com (12/12) Oct 13 2010 http://d.puremagic.com/issues/show_bug.cgi?id=5049
• d-bugmail puremagic.com (10/10) Oct 14 2010 http://d.puremagic.com/issues/show_bug.cgi?id=5049
• d-bugmail puremagic.com (11/11) Oct 15 2010 http://d.puremagic.com/issues/show_bug.cgi?id=5049

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5049

           Summary: std.algortihm.bringToFront() returns wrong value
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: rsinfu gmail.com



---
The doc states that bringToFront() returns the number of elements brought to
the front, but it actually returns the number of swaps done:
--------------------
import std.algorithm, std.stdio;
void main()
{
    auto r = [4, 5, 6, 7, 0, 1, 2, 3];
    foreach (k; 0 .. r.length)
        writeln(bringToFront(r, r[k .. $]));
}
--------------------
% dmd -run test.d
0
7
6
7
4
7
6
7
--------------------

The output should be "0 7 6 5 4 3 2 1".

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5049


Andrei Alexandrescu <andrei metalanguage.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |andrei metalanguage.com
         AssignedTo|nobody puremagic.com        |andrei metalanguage.com



17:54:57 PDT ---
Good catch. Shin, feel free to take this over if you plan to fix it.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5049


Shin Fujishiro <rsinfu gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|andrei metalanguage.com     |rsinfu gmail.com



---
All right, I'll fix it.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=5049


Shin Fujishiro <rsinfu gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED



---
Fixed in the svn trunk r2103.

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