Fix broadcaststyle for 0d FillArray (#217)

Author: jishnub

src/infarrays.jl

@@ -167,7 +167,7 @@ end
 # Lazy Broadcasting
 for typ in (:Ones, :Zeros, :Fill)
     @eval begin
-        BroadcastStyle(::Type{$typ{T,N,NTuple{N,<:OneToInf}}}) where {T,N} = LazyArrayStyle{N}()
+        BroadcastStyle(::Type{$typ{T,N,<:Tuple{OneToInf,Vararg{OneToInf}}}}) where {T,N} = LazyArrayStyle{N}()
         BroadcastStyle(::Type{$typ{T,2,<:Tuple{<:Any,<:OneToInf}}}) where {T} = LazyArrayStyle{2}()
         BroadcastStyle(::Type{$typ{T,2,<:Tuple{<:OneToInf,<:Any}}}) where {T} = LazyArrayStyle{2}()
     end
@@ -430,4 +430,4 @@ LazyArrays.cache_getindex(::InfiniteCardinal{0}, A::AbstractVector, I, J...) = l
 LazyArrays.cache_getindex(::InfiniteCardinal{0}, A::CachedVector{<:Any,<:AbstractVector,<:AbstractFill{<:Any,1}}, I::AbstractVector) = LazyArrays.cache_getindex(nothing, A, I)
 
 
-*(a::AbstractVector, b::AbstractFill{<:Any,2,Tuple{OneTo{Int},OneToInf{Int}}}) = ApplyArray(*,a,b)
+*(a::AbstractVector, b::AbstractFill{<:Any,2,Tuple{OneTo{Int},OneToInf{Int}}}) = ApplyArray(*,a,b)

test/runtests.jl

@@ -884,6 +884,8 @@ end
         @test broadcast(*, 1:∞, Fill(2,∞)') isa BroadcastArray
         @test broadcast(*, Diagonal(1:∞), Ones{Int}(∞)') ≡ broadcast(*, Ones{Int}(∞)', Diagonal(1:∞)) ≡ Diagonal(1:∞)
         @test broadcast(*, Diagonal(1:∞), Fill(2,∞)') ≡ broadcast(*, Fill(2,∞)', Diagonal(1:∞)) ≡ Diagonal(2:2:∞)
+
+        @test !(Broadcast.BroadcastStyle(typeof(Fill(4))) isa LazyArrayStyle)
     end
 
     @testset "subview inf broadcast" begin