Fix iszero

Author: mateuszbaran

src/array_partition.jl

@@ -169,7 +169,7 @@ Base.any(f, A::ArrayPartition) = any(f, (any(f, x) for x in A.x))
 Base.any(f::Function, A::ArrayPartition) = any(f, (any(f, x) for x in A.x))
 Base.any(A::ArrayPartition) = any(identity, A)
 Base.all(f, A::ArrayPartition) = all(f, (all(f, x) for x in A.x))
-Base.all(f::Function, A::ArrayPartition) = all(f, (all(f, x) for x in A.x))
+Base.all(f::Function, A::ArrayPartition) = all((all(f, x) for x in A.x))
 Base.all(A::ArrayPartition) = all(identity, A)
 
 function Base.copyto!(dest::AbstractArray, A::ArrayPartition)

test/partitions_test.jl

@@ -241,4 +241,6 @@ end
     a = ArrayPartition(TypeChangingArray{Int, 2}(), TypeChangingArray{Float32, 2}())
     @test copy(a) == ArrayPartition(zeros(Int, 0, 0), zeros(Float32, 0, 0))
     @test zero(a) == ArrayPartition(zeros(Int, 0, 0), zeros(Float32, 0, 0))
-end
+end
+
+@test !iszero(ArrayPartition([2], [3, 4]))