diff --git a/Sources/FirebladeECS/Family+Coding.swift b/Sources/FirebladeECS/Family+Coding.swift
index bbcd395..f6b6047 100644
--- a/Sources/FirebladeECS/Family+Coding.swift
+++ b/Sources/FirebladeECS/Family+Coding.swift
@@ -10,7 +10,7 @@ private struct FamilyMemberContainer<R> where R: FamilyRequirementsManaging {
 }
 
 extension CodingUserInfoKey {
-    fileprivate static let nexusCodingStrategy = CodingUserInfoKey(rawValue: "nexusCodingStrategy").unsafelyUnwrapped
+    static let nexusCodingStrategy = CodingUserInfoKey(rawValue: "nexusCodingStrategy").unsafelyUnwrapped
 }
 
 // MARK: - encoding
@@ -43,7 +43,7 @@ extension Family where R: FamilyEncoding {
     /// - Returns: The encoded data.
     public func encodeMembers<Encoder>(using encoder: inout Encoder) throws -> Encoder.Output where Encoder: TopLevelEncoder {
         encoder.userInfo[.nexusCodingStrategy] = nexus.codingStrategy
-        let components: [R.Components] = self.map { $0 }
+        let components = [R.Components](self)
         let container = FamilyMemberContainer<R>(components: components)
         return try encoder.encode(container)
     }
diff --git a/Sources/FirebladeECS/UnorderedSparseSet.swift b/Sources/FirebladeECS/UnorderedSparseSet.swift
index ef0df7f..046f43c 100644
--- a/Sources/FirebladeECS/UnorderedSparseSet.swift
+++ b/Sources/FirebladeECS/UnorderedSparseSet.swift
@@ -13,15 +13,20 @@
 ///
 /// See <https://github.com/bombela/sparseset/blob/master/src/lib.rs> for a reference implementation.
 public struct UnorderedSparseSet<Element, Key: Hashable & Codable> {
-    @usableFromInline final class Storage {
+    // swiftlint:disable nesting
+    @usableFromInline
+    final class Storage {
         /// An index into the dense store.
-        public typealias DenseIndex = Int
+        @usableFromInline
+        typealias DenseIndex = Int
 
         /// A sparse store holding indices into the dense mapped to key.
-        public typealias SparseStore = [Key: DenseIndex]
+        @usableFromInline
+        typealias SparseStore = [Key: DenseIndex]
 
         /// A dense store holding all the entries.
-        public typealias DenseStore = ContiguousArray<Entry>
+        @usableFromInline
+        typealias DenseStore = ContiguousArray<Entry>
 
         @usableFromInline
         struct Entry {
@@ -122,7 +127,8 @@ public struct UnorderedSparseSet<Element, Key: Hashable & Codable> {
             dense.removeAll(keepingCapacity: keepingCapacity)
         }
 
-        @inlinable func makeIterator() -> IndexingIterator<ContiguousArray<Storage.Entry>> {
+        @inlinable
+        func makeIterator() -> IndexingIterator<ContiguousArray<Storage.Entry>> {
             dense.makeIterator()
         }
     }