Define interface for Broadcast.DefaultArrayStyle (#15)

Author: mtfishman

Project.toml

@@ -1,7 +1,7 @@
 name = "DerivableInterfaces"
 uuid = "6c5e35bf-e59e-4898-b73c-732dcc4ba65f"
 authors = ["ITensor developers <[email protected]> and contributors"]
-version = "0.3.9"
+version = "0.3.10"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"

src/abstractarrayinterface.jl

@@ -1,9 +1,8 @@
 # TODO: Add `ndims` type parameter.
 abstract type AbstractArrayInterface <: AbstractInterface end
 
-# TODO: Define as `DefaultArrayInterface()`.
 function interface(::Type{<:Broadcast.AbstractArrayStyle})
-  return error("Not defined.")
+  return DefaultArrayInterface()
 end
 
 function interface(::Type{<:Broadcast.Broadcasted{<:Style}}) where {Style}

test/basics/SparseArrayDOKs.jl renamed to test/SparseArrayDOKs.jl

@@ -1,5 +1,5 @@
-using Test: @testset, @test, @inferred
-using DerivableInterfaces: @interface, DefaultArrayInterface
+using Test: @inferred, @testset, @test
+using DerivableInterfaces: @interface, DefaultArrayInterface, interface
 
 # function wrappers to test type-stability
 _getindex(A, i...) = @interface DefaultArrayInterface() A[i...]
@@ -30,3 +30,7 @@ end
   a = @inferred _mapreduce(Returns(2), +, A)
   @test a == mapreduce(Returns(2), +, A)
 end
+
+@testset "Broadcast.DefaultArrayStyle" begin
+  @test interface(Broadcast.DefaultArrayStyle) == DefaultArrayInterface()
+end