Fix showindices for IdentityUnitRange (#40608)

(cherry picked from commit e9ef280)
JuliaLang · May 12, 2021 · 1ce1103 · 1ce1103
1 parent eac11b9
commit 1ce1103
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/base/show.jl b/base/show.jl
@@ -2721,7 +2721,7 @@ function showarg(io::IO, v::SubArray, toplevel)
     print(io, ')')
     toplevel && print(io, " with eltype ", eltype(v))
 end
-showindices(io, ::Union{Slice,IdentityUnitRange}, inds...) =
+showindices(io, ::Slice, inds...) =
     (print(io, ", :"); showindices(io, inds...))
 showindices(io, ind1, inds...) =
     (print(io, ", ", ind1); showindices(io, inds...))

diff --git a/test/show.jl b/test/show.jl
@@ -1587,6 +1587,12 @@ end
     @test summary(p) == "2×4 PermutedDimsArray(reshape(view(::Array{Int16, 3}, :, 3, 2:5), 4, 2), (2, 1)) with eltype Int16"
     p = reinterpret(reshape, Tuple{Float32,Float32}, [1.0f0 3.0f0; 2.0f0 4.0f0])
     @test summary(p) == "2-element reinterpret(reshape, Tuple{Float32, Float32}, ::Matrix{Float32}) with eltype Tuple{Float32, Float32}"
+
+    io = IOBuffer()
+    r = Base.IdentityUnitRange(2:2)
+    B = @view ones(2)[r]
+    Base.showarg(io, B, false)
+    @test String(take!(io)) == "view(::Vector{Float64}, $(repr(r)))"
 end
 
 @testset "Methods" begin