Thank you. That doesn't seem to be the problem, I'll post an issue to Images.jl
On Tuesday, September 1, 2015 at 2:18:43 PM UTC-4, Mauro wrote: > > Try isleaftype > > otherwise @code_warntype is a great tool which might be applicable to > your case. > > On Tue, 2015-09-01 at 20:05, Cedric St-Jean <cedric...@gmail.com > <javascript:>> wrote: > > I have a type > > > > > > typealias TColor RGBA{UfixedBase{Uint8,8}} > > typealias TImage Image{TColor, 2, Array{TColor, 2}} > > > > How do I know if it's a concrete type or not? Is there an isconcrete > > function somewhere? > > > > Incidentally, I'm asking this because I just updated my packages and had > to > > adjust to the recent Colors changes. My former definition of TColor was: > > > > typealias TColor > AlphaColorValue{RGB{UfixedBase{Uint8,8}},UfixedBase{Uint8,8 > > }} > > > > and now for whatever reason concatenating images together is ~10X > slower. > > Since those are just arrays, I assume it's a type problem. Those are > more > > frustrating and frequent than I expected, I must be doing something > wrong... > > > > Cédric > >