fix: get rid of one hot array hcat override

Author: simonmandlik

Project.toml

@@ -35,7 +35,7 @@ Flux = "0.16"
 HierarchicalUtils = "2.1.5"
 MLUtils = "0.4.4"
 MacroTools = "0.5.13"
-OneHotArrays = "0.2.5"
+OneHotArrays = "0.2.8"
 PooledArrays = "1.4.2"
 Preferences = "1.4.1"
 SparseArrays = "1"

src/util.jl

@@ -1,11 +1,3 @@
-# can be removed when https://github.com/FluxML/OneHotArrays.jl/issues/32 is closed
-function Base.reduce(::typeof(hcat), xs::Vector{T})  where T <: OneHotLike
-    L = size(xs[1], 1)
-    all(x -> size(x, 1) .== L, xs) ||
-        throw(DimensionMismatch("The number of labels are not the same for all one-hot arrays."))
-    OneHotArray(reduce(vcat, map(OneHotArrays._indices, xs)), L)
-end
-
 """
     pred_lens(p, n)