Great to hear such positive response :)
I've created an issue for the feature request:
https://github.com/JuliaLang/julia/issues/6984
On Monday, 26 May 2014 22:25:37 UTC+2, Adam Smith wrote:
>
> +1 to Toivo's idea. I LOVE that suggestion. Combine that with this, and
> function declarations can fit on one line again:
> typealias Float FloatingPoint
>
>
>
> On Monday, May 26, 2014 3:33:38 PM UTC-4, Toivo Henningsson wrote:
>>
>> Or you can use
>>
>> typealias FPArray{T<:FloatingPoint} Array{T}
>>
>> foo(a::FPArray, b::FPArray) = a+b
>>
>> to get the same effect (foo will still apply when the element types of aand
>> b are different).
>>
>> Perhaps we could introduce a syntax to create such a covariant typealias
>> on the fly, e.g.
>>
>> const FPArray2 = Array{<:FloatingPoint}
>>
>> would work the same as FPArray above (though with an anonymous/hidden
>> type parameter).
>> Then the example could be written
>>
>> foo(a::Array{<:FloatingPoint}, b::Array{<:FloatingPoint}) = a+b
>>
>> if you don't want to define the typealias first.
>>
>> On Sunday, 25 May 2014 17:44:26 UTC+2, Pierre-Yves Gérardy wrote:
>>>
>>> On Sunday, May 25, 2014 5:10:49 PM UTC+2, James Crist wrote:
>>>>
>>>> Yeah, that's what I've been using. My issue with it is that the
>>>> declarations get long for functions with more than 2 arrays. Was hoping
>>>> there was a more concise way.
>>>>
>>>
>>> You can use typealias Fp FloatingPoint , then
>>>
>>> function foo{T1<:Fp, T2<:Fp}(a::Array{T1}, b::Array{T2})
>>>
>>>
