Use weakdeps on Julia v1.9

Update Project.toml

Author: oschulz

Project.toml

@@ -6,9 +6,15 @@ version = "0.6.16"
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
 ConstructionBase = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
 DataAPI = "9a962f9c-6df0-11e9-0e5d-c546b8b5ee8a"
+Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
+
+[weakdeps]
 GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"
 StaticArraysCore = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
-Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
+
+[extensions]
+StructArraysGPUArraysCoreExt = "GPUArraysCore"
+StructArraysStaticArraysCoreExt = "StaticArraysCore"
 
 [compat]
 Adapt = "1, 2, 3"
@@ -22,14 +28,16 @@ julia = "1.6"
 
 [extras]
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
+GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"
 JLArrays = "27aeb0d3-9eb9-45fb-866b-73c2ecf80fcb"
 OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 PooledArrays = "2dfb63ee-cc39-5dd5-95bd-886bf059d720"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+StaticArraysCore = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TypedTables = "9d95f2ec-7b3d-5a63-8d20-e2491e220bb9"
 WeakRefStrings = "ea10d353-3f73-51f8-a26c-33c1cb351aa5"
 
 [targets]
-test = ["Test", "JLArrays", "StaticArrays", "OffsetArrays", "PooledArrays", "TypedTables", "WeakRefStrings", "Documenter", "SparseArrays"]
+test = ["Test", "JLArrays", "StaticArrays", "OffsetArrays", "PooledArrays", "TypedTables", "WeakRefStrings", "Documenter", "SparseArrays", "GPUArraysCore", "StaticArraysCore"]

ext/StructArraysGPUArraysCoreExt.jl

@@ -0,0 +1,21 @@
+module StructArraysGPUArraysCoreExt
+
+using StructArrays
+using StructArrays: map_params, array_types
+
+using Base: tail
+
+import GPUArraysCore
+
+# for GPU broadcast
+import GPUArraysCore
+function GPUArraysCore.backend(::Type{T}) where {T<:StructArray}
+    backends = map_params(GPUArraysCore.backend, array_types(T))
+    backend, others = backends[1], tail(backends)
+    isconsistent = mapfoldl(isequal(backend), &, others; init=true)
+    isconsistent || throw(ArgumentError("all component arrays must have the same GPU backend"))
+    return backend
+end
+StructArrays.always_struct_broadcast(::GPUArraysCore.AbstractGPUArrayStyle) = true
+
+end # module

src/staticarrays_support.jl renamed to ext/StructArraysStaticArraysCoreExt.jl

@@ -1,3 +1,10 @@
+module StructArraysStaticArraysCoreExt
+
+using StructArrays
+using StructArrays: StructArrayStyle, createinstance, replace_structarray, isnonemptystructtype
+
+using Base.Broadcast: Broadcasted
+
 using StaticArraysCore: StaticArray, FieldArray, tuple_prod
 
 """
@@ -40,7 +47,7 @@ Broadcast._axes(bc::Broadcasted{<:StructStaticArrayStyle}, ::Nothing) = axes(rep
 
 # StaticArrayStyle has no similar defined.
 # Overload `Base.copy` instead.
-@inline function try_struct_copy(bc::Broadcasted{StaticArrayStyle{M}}) where {M}
+@inline function StructArrays.try_struct_copy(bc::Broadcasted{StaticArrayStyle{M}}) where {M}
     sa = copy(bc)
     ET = eltype(sa)
     isnonemptystructtype(ET) || return sa
@@ -66,3 +73,5 @@ end
         return map(Base.Fix2(getfield, i), x)
     end
 end
+
+end # module

src/StructArrays.jl

@@ -14,7 +14,6 @@ include("collect.jl")
 include("sort.jl")
 include("lazy.jl")
 include("tables.jl")
-include("staticarrays_support.jl")
 
 # Implement refarray and refvalue to deal with pooled arrays and weakrefstrings effectively
 import DataAPI: refarray, refvalue
@@ -30,15 +29,9 @@ end
 import Adapt
 Adapt.adapt_structure(to, s::StructArray) = replace_storage(x->Adapt.adapt(to, x), s)
 
-# for GPU broadcast
-import GPUArraysCore
-function GPUArraysCore.backend(::Type{T}) where {T<:StructArray}
-    backends = map_params(GPUArraysCore.backend, array_types(T))
-    backend, others = backends[1], tail(backends)
-    isconsistent = mapfoldl(isequal(backend), &, others; init=true)
-    isconsistent || throw(ArgumentError("all component arrays must have the same GPU backend"))
-    return backend
+@static if !isdefined(Base, :get_extension)
+    include("../ext/StructArraysGPUArraysCoreExt.jl")
+    include("../ext/StructArraysStaticArraysCoreExt.jl")
 end
-always_struct_broadcast(::GPUArraysCore.AbstractGPUArrayStyle) = true
 
 end # module