Unpirate Union{}[xs...]

JuliaArrays · Nov 6, 2019 · 7e68add · 7e68add
1 parent e437921
commit 7e68add
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diff --git a/src/initializers.jl b/src/initializers.jl
@@ -26,7 +26,8 @@ const SA_F64 = SA{Float64}
 @inline similar_type(::Type{SA}, ::Size{S}) where {S} = SArray{Tuple{S...}}
 @inline similar_type(::Type{SA{T}}, ::Size{S}) where {T,S} = SArray{Tuple{S...}, T}
 
-@inline Base.getindex(::Type{Union{}}) = invoke(getindex, Tuple{Type}, Union{})
+@inline Base.getindex(::Type{Union{}}, xs::Vararg{T,N}) where {T,N} =
+    invoke(getindex, Tuple{Type,Vararg{T,N}}, Union{}, xs...)
 @inline Base.getindex(sa::Type{<:SA}, xs...) = similar_type(sa, Size(length(xs)))(xs)
 @inline Base.typed_vcat(sa::Type{<:SA}, xs::Number...) = similar_type(sa, Size(length(xs)))(xs)
 @inline Base.typed_hcat(sa::Type{<:SA}, xs::Number...) = similar_type(sa, Size(1,length(xs)))(xs)

diff --git a/test/initializers.jl b/test/initializers.jl
@@ -38,5 +38,6 @@ SA_test_hvcat(x,T) = SA{T}[1 x x;
 
 # https://github.com/JuliaArrays/StaticArrays.jl/pull/685
 @test Union{}[] isa Vector{Union{}}
+@test_throws MethodError Union{}[1]
 
 end