Right now there's not an official way to do this. You could take a look at my Tuples package[1], which is an attempt at hashing out the API before trying to get this functionality into base. Your feedback would be very welcome!
1: https://github.com/mbauman/Tuples.jl On Wednesday, June 24, 2015 at 1:14:41 PM UTC-4, Josh Langsfeld wrote: > > What is the correct way to get the number of types inside of a T = > Tuple{...} type? Is there anything better than length(T.types), which might > be compatible with the 0.3 style ( > (T1,T2,T3,...))? >
