More functionality for Unstored wrapper (#68)

Author: mtfishman

Project.toml

@@ -1,7 +1,7 @@
 name = "SparseArraysBase"
 uuid = "0d5efcca-f356-4864-8770-e1ed8d78f208"
 authors = ["ITensor developers <[email protected]> and contributors"]
-version = "0.7.2"
+version = "0.7.3"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

src/abstractsparsearrayinterface.jl

@@ -20,6 +20,8 @@ struct Unstored{T,N,P<:AbstractArray{T,N}} <: AbstractArray{T,N}
   parent::P
 end
 Base.parent(a::Unstored) = a.parent
+Base.size(a::Unstored) = size(parent(a))
+Base.axes(a::Unstored) = axes(parent(a))
 
 unstored(a::AbstractArray) = Zeros{eltype(a)}(axes(a))
 

test/test_unstored.jl

@@ -0,0 +1,11 @@
+using SparseArraysBase: Unstored
+using FillArrays: Zeros
+using Test: @test, @testset
+
+@testset "Unstored" begin
+  a = Zeros(2, 2)
+  u = Unstored(a)
+  @test parent(u) ≡ a
+  @test size(u) ≡ size(a)
+  @test axes(u) ≡ axes(a)
+end