And today I learned about isleaftype()! This is a better implementation
than what I posted.
On Wednesday, April 30, 2014 8:32:45 AM UTC-5, Ivar Nesje wrote:
>
> You can do something like
> function f{T<:Real}(x::Array{T,1})
> @assert isleaftype(T)
> # function implementation
> end
>
>
> kl. 15:16:40 UTC+2 onsdag 30. april 2014 skrev Oliver Woodford følgende:
>>
>> On Wednesday, April 30, 2014 2:09:45 PM UTC+1, Patrick O'Leary wrote:
>>>
>>> On Wednesday, April 30, 2014 7:52:16 AM UTC-5, Oliver Woodford wrote:
>>>>
>>>> Is that correct? If not, what really is the correct way to constrain
>>>> input arrays to be homogenous?
>>>>
>>>
>>> The tendency in Julia is to embrace that it's a dynamic language, and
>>> not excessively type constrain inputs. While I don't think there's a way to
>>> do exactly what you want, why do you want to do it?
>>>
>>>
>> When my function will be a lot slower if you pass in a heterogeneous
>> array, and I want to avoid programmers accidentally and obliviously doing
>> that. Now, I could convert heterogeneous arrays to homogeneous ones within
>> the function, but the Julia style
>> guide<http://julia.readthedocs.org/en/latest/manual/style-guide/#handle-excess-argument-diversity-in-the-caller>very
>> sensibly counsels against that.
>>
>
