http://d.puremagic.com/issues/show_bug.cgi?id=4802

           Summary: Incorrect Radial example
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody@puremagic.com
        ReportedBy: andrej.mitrovich@gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2010-09-03 08:50:34 PDT ---
From: http://www.digitalmars.com/d/2.0/phobos/std_range.html#Radial

int[] a = [ 1, 2, 3, 4, 5 ];
assert(equal(radial(a) == [ 3, 2, 4, 1, 5 ][]));
a = [ 1, 2, 3, 4 ];
assert(equal(radial(a) == [ 2, 3, 1, 4 ][]));

The equality Op shouldn't be there but the first array literal is wrong as well. This should be:

int[] a = [ 1, 2, 3, 4, 5 ];
assert(equal(radial(a), [ 3, 4, 2, 5, 1 ]));
a = [ 1, 2, 3, 4 ];
assert(equal(radial(a), [ 2, 3, 1, 4 ]));

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--- Comment #1 from Andrej Mitrovic <andrej.mitrovich@gmail.com> 2010-09-03 08:52:42 PDT ---
The docs also state:

Iterates a random-access range starting from a given point and progressively extending left and right from that point. If no initial point is given, iteration starts from the middle of the range. Iteration spans the entire range.

However it iterates Right first and then Left, not the other way around. So maybe change the sentence to: "Iterates a random-access range starting from a given point and progressively extending right and left from that point."

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David Simcha <dsimcha@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |dsimcha@yahoo.com
         Resolution|                            |FIXED


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