Faster sort?

[John Colvin via Digitalmars-d]

On Thursday, 7 April 2016 at 08:53:32 UTC, Andrea Fontana wrote:
> On Thursday, 7 April 2016 at 08:41:51 UTC, John Colvin wrote:
>> *hench my example of compiling one module to an object file 
>> and then compiling the other and linking them, without ever 
>> importing one from the other.
>
> If i move boolSort() on another module but I can't use auto as 
> return type.
> Return type is a "voldemort" type returned by std.range.chain.
>
> How can I define it?

You could create a dummy function (or even the real function, 
just with a different name) that creates the same type and use 
typeof(myDummyFunction(myDummyArgs)) when making the definition.