[newen]

It's not generally recommended but you can do a custom getproperty() for Tuple.

  julia> function Base.getproperty(x::Tuple, f::Symbol)
       if f == :a
         return x[1]
       elseif f == :b
         return x[2]
       else
         return x[3]
       end
       end

  julia> (3,4,5).a
  3

Edit: Okay, why am I getting randomly downvoted here?