Special broadcast for - with Zeros (#79)

Author: dlfivefifty

Project.toml

@@ -1,6 +1,6 @@
 name = "FillArrays"
 uuid = "1a297f60-69ca-5386-bcde-b61e274b549b"
-version = "0.8"
+version = "0.8.1"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

test/runtests.jl

@@ -527,6 +527,12 @@ end
         @test_throws DimensionMismatch (1:5) .* Ones{Int}(6)
         @test_throws DimensionMismatch Ones{Int}(5) .* Ones{Int}(6)
     end
+
+    @testset "Zeros -" begin
+        @test Zeros(10) - Zeros(10) ≡ Zeros(10)
+        @test Ones(10) - Zeros(10) ≡ Ones(10)
+        @test Fill(1,10) - Zeros(10) ≡ Fill(1.0,10)
+    end
 end
 
 @testset "Sub-arrays" begin