Fix show for rectangular Eye (#328)

Author: jishnub

Project.toml

@@ -1,6 +1,6 @@
 name = "FillArrays"
 uuid = "1a297f60-69ca-5386-bcde-b61e274b549b"
-version = "1.9.2"
+version = "1.9.3"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

src/FillArrays.jl

@@ -742,7 +742,13 @@ function Base.show(io::IO, x::AbstractFill)  # for example (Fill(π,3),)
     join(io, size(x), ", ")
     print(io, ")")
 end
-Base.show(io::IO, x::Eye) = print(io, "Eye(", size(x,1), ")")
+function Base.show(io::IO, x::Eye)
+    print(io, "Eye(", size(x,1))
+    if size(x,1) != size(x,2)
+        print(io, ",", size(x,2))
+    end
+    print(io, ")")
+end
 
 Base.array_summary(io::IO, ::Zeros{T}, inds::Tuple{Vararg{Base.OneTo}}) where T =
     print(io, Base.dims2string(length.(inds)), " Zeros{$T}")

test/runtests.jl

@@ -1114,7 +1114,7 @@ end
                 @test Zeros(S, 10) .* (T(1):T(10)) ≡ Zeros(U, 10)
                 @test_throws DimensionMismatch Zeros(S, 10) .* (T(1):T(11))
             end
-        end        
+        end
     end
 end
 
@@ -1818,6 +1818,7 @@ end
     @test repr(Fill(1f0,10)) == "Fill(1.0f0, 10)"  # Float32!
     @test repr(Fill(0)) == "Fill(0)"
     @test repr(Eye(9)) == "Eye(9)"
+    @test repr(Eye(9,4)) == "Eye(9,4)"
     # also used for arrays of arrays:
     @test occursin("Eye(2) ", stringmime("text/plain", [Eye(2) for i in 1:2, j in 1:2]))
 end
@@ -2291,4 +2292,3 @@ end
         @test a.value == first(diag)
     end
 end
-