From 3f204b5839d4ec06f8186f1f27ec5a3d922a2d80 Mon Sep 17 00:00:00 2001
From: Neven Sajko <s@purelymail.com>
Date: Mon, 21 Oct 2024 21:33:02 +0200
Subject: [PATCH] define `propertynames(::FixedSizeArray)`

Make both fields private.
---
 src/FixedSizeArrays.jl |  8 ++++++++
 test/runtests.jl       | 11 +++++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/FixedSizeArrays.jl b/src/FixedSizeArrays.jl
index 6aeac57..0421c82 100644
--- a/src/FixedSizeArrays.jl
+++ b/src/FixedSizeArrays.jl
@@ -19,6 +19,14 @@ struct FixedSizeArray{T,N,Mem<:GenericMemory{<:Any,T}} <: DenseArray{T,N}
     end
 end
 
+function Base.propertynames(
+    # the `unused` is here because of https://github.com/JuliaLang/julia/issues/44428
+    (@nospecialize unused::FixedSizeArray),
+    ::Bool = false,
+)
+    ()
+end
+
 const FixedSizeVector{T} = FixedSizeArray{T,1}
 const FixedSizeMatrix{T} = FixedSizeArray{T,2}
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 3483b01..0530668 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -125,6 +125,17 @@ end
         FSM = fsm(storage_type)
         FSA = fsa(storage_type)
 
+        @testset "`propertynames`" begin
+            for dim_count ∈ 0:4
+                for T ∈ (Int, Float32)
+                    siz = ntuple(Returns(1), dim_count)
+                    arr = FSA{T}(undef, siz)
+                    test_inferred(propertynames, Tuple{}, (arr,))
+                    test_inferred(propertynames, Tuple{}, (arr, false))
+                end
+            end
+        end
+
         @testset "Constructors" begin
             for dim_count ∈ 0:4
                 siz = ntuple(Returns(2), dim_count)