Add CartesianIndices(()) for Ref getindex and setindex!

jmert · Dec 31, 2019 · cf5a16e · cf5a16e
1 parent 13d1bd4
commit cf5a16e
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diff --git a/base/multidimensional.jl b/base/multidimensional.jl
@@ -1802,4 +1802,6 @@ function _sortslices(A::AbstractArray, d::Val{dims}; kws...) where dims
 end
 
 getindex(b::Ref, ::CartesianIndex{0}) = getindex(b)
+getindex(b::Ref, ::CartesianIndices{0,Tuple{}}) = getindex(b)
 setindex!(b::Ref, x, ::CartesianIndex{0}) = setindex!(b, x)
+setindex!(b::Ref, x, ::CartesianIndices{0,Tuple{}}) = setindex!(b, x)
diff --git a/test/abstractarray.jl b/test/abstractarray.jl
@@ -991,8 +991,11 @@ end
 @testset "getindex and setindex! for Ref" begin
     for x in [Ref(1), Ref([1,2,3], 1)]
         @test getindex(x) == getindex(x, CartesianIndex()) == 1
+        @test getindex(x) == getindex(x, CartesianIndices(())) == 1
         x[CartesianIndex()] = 10
         @test getindex(x) == getindex(x, CartesianIndex()) == 10
+        x[CartesianIndices(())] = 11
+        @test getindex(x) == getindex(x, CartesianIndices(())) == 11
     end
 end