suspiciously similar seq data structure

src/Flux.jl

@@ -20,6 +20,7 @@ include("layers/shims.jl")
 
 include("dims/catmat.jl")
 include("dims/batching.jl")
+include("dims/seq.jl")
 
 include("cost.jl")
 include("activation.jl")

src/dims/seq.jl

@@ -0,0 +1,21 @@
+export seq, Seq
+
+immutable Seq{T,S} <: AbstractVector{T}
+  data::CatMat{T,S}
+end
+
+@forward Seq.data size, eltype, getindex, setindex!, rawbatch
+
+Seq(xs) = Seq(CatMat(xs))
+
+convert{T,S}(::Type{Seq{T,S}},storage::S) =
+  Seq{T,S}(storage)
+
+Media.render{T<:Seq}(i::Juno.Inline, b::Type{T}) =
+  render(i, Row(Juno.typ("Seq"), text"{", eltype(T), text"}"))
+
+@render Juno.Inline b::Seq begin
+  Tree(Row(Text("Seq of "), eltype(b),
+           Juno.fade("[$(length(b))]")),
+       Juno.trim(collect(b)))
+end