Improve sparse show internals

Project.toml

@@ -1,7 +1,7 @@
 name = "SparseArraysBase"
 uuid = "0d5efcca-f356-4864-8770-e1ed8d78f208"
 authors = ["ITensor developers <[email protected]> and contributors"]
-version = "0.2.4"
+version = "0.2.5"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

src/abstractsparsearray.jl

@@ -51,4 +51,5 @@
 function getunstoredindex(a::ReplacedUnstoredSparseArray, I::Int...)
   return a.getunstoredindex(a, I...)
 end
+eachstoredindex(a::ReplacedUnstoredSparseArray) = eachstoredindex(parent(a))
 @derive ReplacedUnstoredSparseArray AbstractArrayOps

src/abstractsparsearrayinterface.jl

@@ -388,7 +388,7 @@ end
 Base.show(io::IO, c::UnquotedChar) = print(io, c.char)
 Base.show(io::IO, ::MIME"text/plain", c::UnquotedChar) = show(io, c)
 
-function show_getunstoredindex(a::AbstractArray, I::Int...)
+function getunstoredindex_show(a::AbstractArray, I::Int...)
   return UnquotedChar('⋅')
 end
 
@@ -399,7 +399,7 @@ end
   isempty(a) && return nothing
   print(io, ":")
   println(io)
-  a′ = ReplacedUnstoredSparseArray(a, show_getunstoredindex)
+  a′ = ReplacedUnstoredSparseArray(a, getunstoredindex_show)
   Base.print_array(io, a′)
   return nothing
 end

test/basics/test_sparsearraydok.jl

@@ -169,10 +169,12 @@ arrayts = (Array,)
   @test b[1, 2] == 12
   @test b[4, 3] == 21
 
-  # Printing
-  # Not testing other element types since they change the
-  # spacing so it isn't easy to make the test general.
-  a = SparseArrayDOK{Float64}(2, 2)
-  a[1, 2] = 12
-  @test sprint(show, "text/plain", a) == "$(summary(a)):\n ⋅  $(eltype(a)(12))\n ⋅    ⋅"
+  if elt === Float64
+    # Printing
+    # Not testing other element types since they change the
+    # spacing so it isn't easy to make the test general.
+    a = SparseArrayDOK{elt}(2, 2)
+    a[1, 2] = 12
+    @test sprint(show, "text/plain", a) == "$(summary(a)):\n ⋅  $(eltype(a)(12))\n ⋅    ⋅"
+  end
 end