foreach with a default range

[Steven Schveighoffer via Digitalmars-d]

On 6/11/15 8:54 AM, Dmitry Olshansky wrote:
> On 11-Jun-2015 15:22, Steven Schveighoffer wrote:
>> On 6/11/15 4:24 AM, Dmitry Olshansky wrote:
>>
>>> Already works. Just define opSlice for container that returns a range
>>> and then:
>>>
>>> foreach(elem; container) {}
>>>
>>> is lowered to:
>>>
>>> foreach(elem; container[]) {}
>>>
>>
>> I think you want to do opIndex which takes no parameters.
>
> Ehm. How is being more logical or what is the reason?
>
>> opSlice is no
>> longer supposed to be used that way (though it still works for backwards
>> compatibility).
>
> Now that's the real news. Me thinks slice it on foreach was added
> speicfically for std.container back in 2012. Where the docs for the
> later change (well, both of them for that matter)?
>

See this thread, was news to me too: 
http://forum.dlang.org/thread/luadir$t0g$1@digitalmars.com#post-mailman.669.1410325102.5783.digitalmars-d-learn:40puremagic.com

The rationale was in order to support multi-dimensional slicing.

-Steve