Minor refactor of vector_of_arrays.jl

Author: ma-sadeghi

src/vector_of_array.jl

@@ -77,7 +77,7 @@ Base.@propagate_inbounds function Base.getindex(A::AbstractVectorOfArray{T, N},
   I::AbstractArray{Bool},J::Colon...) where {T, N}
   @assert length(J) == ndims(A.u[1])+1-ndims(I)
   @assert size(I) == size(A)[1:ndims(A)-length(J)]
-  return A[repeat([:], length(size(A)))...][I,J...]
+  return A[ntuple(x -> Colon(), ndims(A))...][I, J...]
 end
 
 Base.@propagate_inbounds Base.getindex(A::AbstractDiffEqArray{T, N}, i::Int,::Colon) where {T, N} = [A.u[j][i] for j in 1:length(A)]