std.functional:partial - disambiguating templated functions

[Laeeth Isharc via Digitalmars-d-learn]

On Sunday, 4 October 2015 at 17:17:14 UTC, Laeeth Isharc wrote:
> On Sunday, 4 October 2015 at 16:37:34 UTC, John Colvin wrote:
>> On Sunday, 4 October 2015 at 15:45:55 UTC, Laeeth Isharc wrote:
>>> How do I persuade partial to tie itself to the appropriate 
>>> overload?
> ---
>> As far as I can see std.functional.partial only does one 
>> argument at a time.
>>
>> bars=partial!(partial!(partial!(slurpBars!BarType, filename), 
>> startDate), endDate);
>>
>> or maybe, I'm not sure, but maybe you can do:
>>
>> bars=partial!(slurpBars!BarType, AliasSeq!(filename, 
>> startDate, endDate));
>>
>> If you find you really need to manually mess with overloads, 
>> use http://dlang.org/traits.html#getOverloads. You may have to 
>> wrap it in AliasSeq in some situations due to grammar/parser 
>> constraints.
> fwiw - still doesn't work (whether I use alias or auto, trying 
> each of your solutions).  I'll look at getOverloads.

How do I distinguish between two overloads that return the same 
type but have different arguments?  It looks like getOverloads 
only deals with cases where the return type is different, judging 
by the docs.