Update resizable_array.jl

Author: wouterwln

src/resizable_array.jl

@@ -17,6 +17,8 @@ end
 
 ResizableArray(::Type{T}) where {T} = ResizableArray{T, Vector{T}, 1}(T[])
 
+similar(::ResizableArray{T, V, N}) where {T, V, N} = ResizableArray(T, Val(N))
+
 function ResizableArray(::Type{T}, ::Val{N}) where {T, N}
     data = make_recursive_vector(T, Val(N))
     V = typeof(data)
@@ -29,13 +31,16 @@ end
 
 get_recursive_depth(any) = 0
 
-function reltype(v::AbstractVector)
-    return reltype(first(v))
+function reltype(::Type{<:AbstractVector{<:T}}) where {T <: AbstractArray}
+    return reltype(T)
+end
+
+function reltype(::Type{<:AbstractVector{T}}) where {T}
+    return T
 end
-reltype(any::T) where {T} = T
 
 function ResizableArray(array::AbstractVector{T}) where {T}
-    V = reltype(array)
+    V = reltype(typeof(array))
     return ResizableArray{V, Vector{T}, get_recursive_depth(array)}(array)
 end
 
@@ -181,14 +186,6 @@ function Base.iterate(array::ResizableArray, state)
         return nothing
     end
     nindex, nstate = niterate
-    while !isassigned(array, nindex.I...)
-        pstate = nstate
-        niterate = iterate(indx, pstate)
-        if isnothing(niterate)
-            return nothing
-        end
-        nindex, nstate = niterate
-    end
     return (array[nindex.I...], isnothing(nstate) ? nothing : (indx, nstate))
 end