On 06/28/2013 06:19 AM, Joseph Rushton Wakeling wrote:
Consider the following equivalent code using zip and lockstep respectively to
iterate over the entries in an array and set their values:

     auto arr1 = new double[10];
     foreach(i, ref x; zip(iota(10), arr1))
     {
         x = i;
     }
     writeln(arr1);

     auto arr2 = new double[10];
     foreach(i, ref x; lockstep(iota(10), arr2))
     {
         x = i;
     }
     writeln(arr2);

The first array will still be full of nan's when it is output, while the second
will have values set correctly.  Can anyone offer a reasonable explanation why
this should be so?  It looks like a bug to me, or at best an unreasonable
difference in functionality. :-(


Looks like a bug and I can't find it in bugzilla.

Ali

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