Set supertype of PermutedCartesianIndices

This makes `PermutedCartesianIndices` a subtype of `AbstractArray{CartesianIndex{N},N}`, to be consistent with the defintion of `CartesianIndices`.
jipolanco · May 9, 2020 · 5a99360 · 5a99360
1 parent acb39d2
commit 5a99360
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/PencilArrays/cartesian_indices.jl b/src/PencilArrays/cartesian_indices.jl
@@ -57,8 +57,9 @@ end
 
 # We make CartesianIndices(::PencilArray) return a PermutedCartesianIndices,
 # which loops faster (in memory order) when there are index permutations.
-struct PermutedCartesianIndices{N, C <: CartesianIndices{N}, Iperm,
-                                Offsets}
+struct PermutedCartesianIndices{
+        N, C <: CartesianIndices{N}, Iperm,
+        Offsets} <: AbstractArray{CartesianIndex{N}, N}
     data  :: C  # indices in permuted order
     iperm :: Iperm  # inverse permutation
     offsets :: Offsets