perf(ios): use immutable Swift wrapper implementation references

packages/nitrogen/src/syntax/swift/SwiftHybridObjectBridge.ts

@@ -157,7 +157,7 @@ ${hasBase ? `open class ${name.HybridTSpecCxx} : ${baseClasses.join(', ')}` : `o
   /**
    * Holds an instance of the \`${name.HybridTSpec}\` Swift protocol.
    */
-  private var __implementation: any ${name.HybridTSpec}
+  private let __implementation: any ${name.HybridTSpec}
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridBaseSpec_cxx.swift

@@ -27,7 +27,7 @@ open class HybridBaseSpec_cxx {
   /**
    * Holds an instance of the `HybridBaseSpec` Swift protocol.
    */
-  private var __implementation: any HybridBaseSpec
+  private let __implementation: any HybridBaseSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridChildSpec_cxx.swift

@@ -27,7 +27,7 @@ open class HybridChildSpec_cxx : HybridBaseSpec_cxx {
   /**
    * Holds an instance of the `HybridChildSpec` Swift protocol.
    */
-  private var __implementation: any HybridChildSpec
+  private let __implementation: any HybridChildSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridPlatformObjectSpec_cxx.swift

@@ -27,7 +27,7 @@ open class HybridPlatformObjectSpec_cxx {
   /**
    * Holds an instance of the `HybridPlatformObjectSpec` Swift protocol.
    */
-  private var __implementation: any HybridPlatformObjectSpec
+  private let __implementation: any HybridPlatformObjectSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridRecyclableTestViewSpec_cxx.swift

@@ -27,7 +27,7 @@ open class HybridRecyclableTestViewSpec_cxx {
   /**
    * Holds an instance of the `HybridRecyclableTestViewSpec` Swift protocol.
    */
-  private var __implementation: any HybridRecyclableTestViewSpec
+  private let __implementation: any HybridRecyclableTestViewSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridTestObjectSwiftKotlinSpec_cxx.swift

@@ -28,7 +28,7 @@
   /**
    * Holds an instance of the `HybridTestObjectSwiftKotlinSpec` Swift protocol.
    */
-  private var __implementation: any HybridTestObjectSwiftKotlinSpec
+  private let __implementation: any HybridTestObjectSwiftKotlinSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.
@@ -282,7 +282,7 @@
     get {
       return { () -> bridge.std__variant_nitro__NullType__std__string_ in
         switch self.__implementation.stringOrNull {
           case .first(let __value):
             return bridge.create_std__variant_nitro__NullType__std__string_(margelo.nitro.NullType.null)
           case .second(let __value):
             return bridge.create_std__variant_nitro__NullType__std__string_(std.string(__value))
@@ -295,7 +295,7 @@
         let __variant = newValue
         switch __variant.index() {
           case 0:
             let __actual = __variant.get_0()
             return .first(NullType.null)
           case 1:
             let __actual = __variant.get_1()
@@ -633,7 +633,7 @@
   @inline(__always)
   public final func bounceNull(value: margelo.nitro.NullType) -> bridge.Result_nitro__NullType_ {
     do {
       let __result = try self.__implementation.bounceNull(value: NullType.null)
       let __resultCpp = margelo.nitro.NullType.null
       return bridge.create_Result_nitro__NullType_(__resultCpp)
     } catch (let __error) {
@@ -961,7 +961,7 @@
         let __variant = bridge.std__variant_nitro__NullType__std__string_(__item)
         switch __variant.index() {
           case 0:
             let __actual = __variant.get_0()
             return .first(NullType.null)
           case 1:
             let __actual = __variant.get_1()
@@ -975,7 +975,7 @@
         for __item in __result {
           __vector.push_back({ () -> bridge.std__variant_nitro__NullType__std__string_ in
             switch __item {
               case .first(let __value):
                 return bridge.create_std__variant_nitro__NullType__std__string_(margelo.nitro.NullType.null)
               case .second(let __value):
                 return bridge.create_std__variant_nitro__NullType__std__string_(std.string(__value))

packages/react-native-nitro-test/nitrogen/generated/ios/swift/HybridTestViewSpec_cxx.swift

@@ -27,7 +27,7 @@ open class HybridTestViewSpec_cxx {
   /**
    * Holds an instance of the `HybridTestViewSpec` Swift protocol.
    */
-  private var __implementation: any HybridTestViewSpec
+  private let __implementation: any HybridTestViewSpec
 
   /**
    * Holds a weak pointer to the C++ class that wraps the Swift class.