Cover special coses in diffeqarray constructor

Author: sharanry

src/vector_of_array.jl

@@ -39,11 +39,10 @@ VectorOfArray(vec::AbstractVector{T}, ::NTuple{N}) where {T, N} = VectorOfArray{
 VectorOfArray(vec::AbstractVector) = VectorOfArray(vec, (size(vec[1])..., length(vec)))
 VectorOfArray(vec::AbstractVector{VT}) where {T, N, VT<:AbstractArray{T, N}} = VectorOfArray{T, N+1, typeof(vec)}(vec)
 
-DiffEqArray(vec::AbstractVector{T}, ts, ::NTuple{N}) where {T, N} = DiffEqArray{eltype(T), N, typeof(vec), typeof(ts), Nothing, Nothing, Nothing, Nothing}(vec, ts, nothing, nothing, nothing, nothing)
+DiffEqArray(vec::AbstractVector{T}, ts, ::NTuple{N}, syms, indepsym, observed, p) where {T, N} = DiffEqArray{eltype(T), N, typeof(vec), typeof(ts), typeof(syms), typeof(indepsym), typeof(observed), typeof(p)}(vec, ts, syms, indepsym, observed, p)
 # Assume that the first element is representative of all other elements
-DiffEqArray(vec::AbstractVector,ts::AbstractVector) = DiffEqArray(vec, ts, (size(vec[1])..., length(vec)))
-DiffEqArray(vec::AbstractVector{VT},ts::AbstractVector) where {T, N, VT<:AbstractArray{T, N}} = DiffEqArray{T, N+1, typeof(vec), typeof(ts), Nothing, Nothing, Nothing, Nothing}(vec, ts, nothing, nothing, nothing, nothing)
-function DiffEqArray(vec::AbstractVector{VT},ts::AbstractVector, syms, indepsym, observed::Function, p) where {T, N, VT<:AbstractArray{T, N}}
+DiffEqArray(vec::AbstractVector,ts::AbstractVector, syms=nothing, indepsym=nothing, observed=nothing, p=nothing) = DiffEqArray(vec, ts, (size(vec[1])..., length(vec)), syms, indepsym, observed, p)
+function DiffEqArray(vec::AbstractVector{VT},ts::AbstractVector, syms=nothing, indepsym=nothing, observed=nothing, p=nothing) where {T, N, VT<:AbstractArray{T, N}}
   DiffEqArray{T, N+1, typeof(vec), typeof(ts), typeof(syms), typeof(indepsym), typeof(observed), typeof(p)}(vec, ts, syms, indepsym, observed, p)
 end