http://d.puremagic.com/issues/show_bug.cgi?id=2548

           Summary: Array ops that return value to a new array should work.
           Product: D
           Version: 2.022
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla@digitalmars.com
        ReportedBy: dsimcha@yahoo.com


import std.stdio;

void main() {
    double[] foo = [1.0,2,3,4,5].dup;
    double[] bar = [6.0,7,8,9,10].dup;
    auto baz = foo[] + bar[]; //Error: Array operation foo[] + bar[] not
implemented

}

Ideally, the compiler should create baz and put the result of foo[] + bar[] in this newly created array.  If the goal of not allowing this behavior is to avoid hidden memory allocations, then a more informative error message should be displayed.


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http://d.puremagic.com/issues/show_bug.cgi?id=2548


smjg@iname.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |smjg@iname.com
           Keywords|                            |diagnostic




------- Comment #1 from smjg@iname.com  2008-12-31 10:24 -------
This certainly ought to work.  The memory allocation is no more 'hidden' than that involved in concatenation already is.  So that isn't really a valid reason.

But the error message is poor whether you think it should be allowed or not.


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