[phobos] phobos commit, revision 2123

[Lars Tandle Kyllingstad]

I noticed something funny when fixing this.  In the template constraint
for back(), is(typeof(A.init[0])), is used to check whether the type A
supports indexing.  This makes sense.  In the constraint for front(),
however, is(typeof(A[0])) is used.  Does anyone know why this last case
works at all?  Outside of typeof(), A[0] is completely meaningless
unless A is a tuple, so why allow this special case?

-Lars



On Fri, 2010-11-05 at 08:12 -0400, dsource.org wrote:
> phobos commit, revision 2123
> 
> 
> user: kyllingstad
> 
> msg:
> Bug 5163: meaningless error message with front() applied to void[]
> 
> It's not possible to index into void[] arrays, which means that they
> cannot be ranges.  Therefore, I've added template constraints to
> front(), back(), popFront(), and popBack() in std.array that prevents
> them from being instantiated with void[].
> 
> http://www.dsource.org/projects/phobos/changeset/2123
> 
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