Simplify

Author: mtfishman

Project.toml

@@ -9,6 +9,7 @@ ArrayLayouts = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
 BlockArrays = "8e7c35d0-a365-5155-bbbb-fb81a777f24e"
 DerivableInterfaces = "6c5e35bf-e59e-4898-b73c-732dcc4ba65f"
 Dictionaries = "85a47980-9c8c-11e8-2b9f-f7ca1fa99fb4"
+FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
 GradedUnitRanges = "e2de450a-8a67-46c7-b59c-01d5a3d041c5"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
@@ -32,6 +33,7 @@ ArrayLayouts = "1.10.4"
 BlockArrays = "1.2.0"
 DerivableInterfaces = "0.3.7"
 Dictionaries = "0.4.3"
+FillArrays = "1.13.0"
 GPUArraysCore = "0.1.0, 0.2"
 GradedUnitRanges = "0.1.0"
 LabelledNumbers = "0.1.0"

src/abstractblocksparsearray/wrappedabstractblocksparsearray.jl

@@ -361,12 +361,7 @@ end
 Base.show(io::IO, c::UnquotedChar) = print(io, c.char)
 Base.show(io::IO, ::MIME"text/plain", c::UnquotedChar) = show(io, c)
 
-# This is copied from `SparseArraysBase.jl` since it is not part
-# of the public interface.
-function getunstoredindex_show(a::AbstractArray, I::Int...)
-  return UnquotedChar('⋅')
-end
-
+using FillArrays: Fill
 struct GetUnstoredBlockShow{Axes}
   axes::Axes
 end
@@ -378,9 +373,7 @@ end
   b_size = ntuple(ndims(a)) do d
     return length(f.axes[d][Block(I[d])])
   end
-  b = similar(SparseArrayDOK{eltype(eltype(a))}, b_size)
-  zero!(b)
-  return ReplacedUnstoredSparseArray(b, getunstoredindex_show)
+  return Fill(UnquotedChar('.'), b_size)
 end
 # TODO: Use `Base.to_indices`.
 @inline function (f::GetUnstoredBlockShow)(