Update src/utils.jl

Co-Authored-By: David Widmann <[email protected]>

Author: theogf

src/utils.jl

@@ -28,7 +28,7 @@ Base.getindex(D::ColVecs, n::CartesianIndex{1}) = getindex(D, n[1])
 Base.getindex(D::ColVecs, n) = ColVecs(D.X[:, n])
 Base.view(D::ColVecs, n::Int) = view(D.X, :, n)
 Base.view(D::ColVecs, n) = ColVecs(view(D.X, :, n))
-Base.eltype(D::ColVecs{T}) where T = Vector{T}
+Base.eltype(::Type{<:ColVecs{T}}) where T = Vector{T}
 Base.zero(D::ColVecs) = ColVecs(zero(D.X))
 Base.iterate(D::ColVecs) = (view(D.X, :, 1), 2)
 Base.iterate(D::ColVecs, state) = state > length(D) ? nothing : (view(D.X, :, state), state + 1)