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Disallow empty arrays in maximum/minimum #391

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Disallow empty arrays in maximum/minimum #391

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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "FillArrays"
uuid = "1a297f60-69ca-5386-bcde-b61e274b549b"
version = "1.13.0"
version = "1.13.1"

[deps]
LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
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6 changes: 5 additions & 1 deletion src/FillArrays.jl
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Expand Up @@ -584,7 +584,11 @@ end
#########

for op in (:maximum, :minimum)
@eval $op(x::AbstractFill) = getindex_value(x)
@eval function $op(x::AbstractFill)
length(x) == 0 && throw(ArgumentError(
"reducing over an empty collection is not allowed; consider supplying `init` to the reducer"))
getindex_value(x)
end
end


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3 changes: 3 additions & 0 deletions test/runtests.jl
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Expand Up @@ -827,6 +827,9 @@ end
@test_throws MethodError issorted(Fill(im, 2))
@test_throws MethodError sort(Fill(im, 2))
@test_throws MethodError sort!(Fill(im, 2))

@test_throws ArgumentError maximum(Fill(3, 0))
@test_throws ArgumentError minimum(Fill(3, 0))
end

@testset "Cumsum, accumulate and diff" begin
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