Merge pull request #8 from N5N3/extendable_bc

Move `StaticArrayStyle` here.

Author: mateuszbaran

Project.toml

@@ -1,6 +1,6 @@
 name = "StaticArraysCore"
 uuid = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
-version = "1.1.0"
+version = "1.2.0"
 
 [compat]
 julia = "1.6"

src/StaticArraysCore.jl

@@ -384,4 +384,9 @@ array operations as in the example below.
 """
 abstract type FieldVector{N, T} <: FieldArray{Tuple{N}, T, 1} end
 
+# Add a new BroadcastStyle for StaticArrays, derived from AbstractArrayStyle
+# A constructor that changes the style parameter N (array dimension) is also required
+struct StaticArrayStyle{N} <: Base.Broadcast.AbstractArrayStyle{N} end
+StaticArrayStyle{M}(::Val{N}) where {M,N} = StaticArrayStyle{N}()
+
 end # module

test/runtests.jl

@@ -22,4 +22,6 @@ using StaticArraysCore, Test
     @test StaticArraysCore.tuple_length((5, 3)) == 2
     @test StaticArraysCore.tuple_prod((5, 3)) == 15
     @test StaticArraysCore.tuple_minimum((5, 3)) == 3
+
+    @test StaticArraysCore.StaticArrayStyle{1}(Val(2)) === StaticArraysCore.StaticArrayStyle{2}()
 end