Added strict concurrency checking and Sendable conformances

CBORCoding.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "CBORCoding"
-  s.version      = "1.4.0"
+  s.version      = "1.4.1"
   s.summary      = "A CBOR Encoder and Decoder"
   s.description  = <<-DESC
                    A lightweight framework containing a coder pair for encoding and decoding `Codable` conforming types to and from CBOR document format for iOS, macOS, tvOS, and watchOS.
@@ -17,11 +17,12 @@ Pod::Spec.new do |s|
   s.tvos.deployment_target    = '12.0'
   s.watchos.deployment_target = '4.0'
 
-  s.source            = { :git => "https://github.com/SomeRandomiOSDev/CBORCoding.git", :tag => s.version.to_s }
-  s.source_files      = 'Sources/**/*.swift'
-  s.swift_versions    = ['5.0']
-  s.cocoapods_version = '>= 1.7.3'
+  s.source              = { :git => "https://github.com/SomeRandomiOSDev/CBORCoding.git", :tag => s.version.to_s }
+  s.source_files        = 'Sources/**/*.swift'
+  s.pod_target_xcconfig = { 'SWIFT_STRICT_CONCURRENCY' => 'complete' }
+  s.swift_versions      = ['5.0']
+  s.cocoapods_version   = '>= 1.7.3'
 
-  s.dependency 'Half', '~> 1.4'
+  s.dependency 'Half', '~> 1.4.2'
 
 end

CBORCoding.xcodeproj/project.pbxproj

@@ -1120,6 +1120,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_STRICT_CONCURRENCY = complete;
 				SWIFT_VERSION = 5.0;
 				TVOS_DEPLOYMENT_TARGET = 12.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -1184,6 +1185,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_STRICT_CONCURRENCY = complete;
 				SWIFT_VERSION = 5.0;
 				TVOS_DEPLOYMENT_TARGET = 12.0;
 				VALIDATE_PRODUCT = YES;

Package.resolved

@@ -1,16 +1,14 @@
 {
-  "object": {
-    "pins": [
-      {
-        "package": "Half",
-        "repositoryURL": "https://github.com/SomeRandomiOSDev/Half",
-        "state": {
-          "branch": null,
-          "revision": "bb32fc7a5d5cfcee01e5442b1381450b1fcd4803",
-          "version": "1.4.1"
-        }
+  "pins" : [
+    {
+      "identity" : "half",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/SomeRandomiOSDev/Half",
+      "state" : {
+        "revision" : "14b1ab35ffdf62c999ef1016ec0f8e745a6feed5",
+        "version" : "1.4.2"
       }
-    ]
-  },
-  "version": 1
+    }
+  ],
+  "version" : 2
 }

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.8
 import PackageDescription
 
 let package = Package(
@@ -16,11 +16,23 @@ let package = Package(
     ],
 
     dependencies: [
-        .package(url: "https://github.com/SomeRandomiOSDev/Half", from: "1.4.1")
+        .package(url: "https://github.com/SomeRandomiOSDev/Half", from: "1.4.2")
     ],
 
     targets: [
-        .target(name: "CBORCoding", dependencies: ["Half"]),
-        .testTarget(name: "CBORCodingTests", dependencies: ["CBORCoding", "Half"])
+        .target(
+            name: "CBORCoding",
+            dependencies: ["Half"],
+            swiftSettings: [
+                .enableExperimentalFeature("StrictConcurrency")
+            ]
+        ),
+        .testTarget(
+            name: "CBORCodingTests",
+            dependencies: ["CBORCoding", "Half"],
+            swiftSettings: [
+                .enableExperimentalFeature("StrictConcurrency")
+            ]
+        )
     ]
 )

Sources/CBORCoding/CBOR.swift

@@ -18,7 +18,7 @@ public enum CBOR {
      Type value for encoding/decoding Undefined values as outlined in [RFC 8949
      Section 5.7](https://datatracker.ietf.org/doc/html/rfc8949#section-5.7).
      */
-    public struct Undefined { }
+    public struct Undefined: Sendable { }
 
     /**
      CBOR supports encoding negative values normally outside of the range `Int64`.
@@ -35,7 +35,7 @@ public enum CBOR {
                            --------------Int64--------------
      ```
      */
-    public struct NegativeUInt64: RawRepresentable {
+    public struct NegativeUInt64: RawRepresentable, Sendable {
 
         // MARK: Public Constants
 
@@ -70,7 +70,7 @@ public enum CBOR {
      to any particular type/value. `SimpleValue` fills this gap by returning the
      exact encoded value for those codes that are unassigned or unused.
      */
-    public struct SimpleValue: RawRepresentable {
+    public struct SimpleValue: RawRepresentable, Sendable {
 
         // MARK: RawRepresentable Protocol Requirements
 
@@ -94,7 +94,7 @@ public enum CBOR {
      Type value for encoding/decoding Big numbers as outlined in [RFC 8949 Section
      3.4.3](https://datatracker.ietf.org/doc/html/rfc8949#section-3.4.3).
      */
-    public struct Bignum {
+    public struct Bignum: Sendable {
 
         // MARK: Public Properties
 
@@ -250,7 +250,7 @@ public enum CBOR {
      support for encoding byte data in this way. This may be useful for sending to
      decoders that expect byte data lengths to be undefined.
      */
-    public struct IndefiniteLengthData {
+    public struct IndefiniteLengthData: Sendable {
 
         // MARK: Public Properties
 
@@ -310,7 +310,7 @@ public enum CBOR {
      provides support for encoding byte strings in this way. This may be useful for
      sending to decoders that expect byte string lengths to be undefined.
      */
-    public struct IndefiniteLengthString {
+    public struct IndefiniteLengthString: Sendable {
 
         // MARK: Public Properties
 
@@ -394,7 +394,7 @@ public enum CBOR {
      A type that asserts its data is already in CBOR encoded format. No additional
      encoding is done on the contained byte data.
      */
-    public struct CBOREncoded {
+    public struct CBOREncoded: Sendable {
 
         // MARK: - Properties
 
@@ -424,15 +424,15 @@ extension CBOR {
     // MARK: Internal Types
 
     /// `Null` type for encoding
-    internal struct Null: Encodable { }
+    internal struct Null: Encodable, Sendable { }
 
     /// `Break` code for ending indefinite length types. This is only used for
     /// type-mismatch error messages
-    internal struct Break { }
+    internal struct Break: Sendable { }
 
     /// A byte mask used for splitting the major type bits from the additional
     /// information bits
-    internal enum ByteMask: UInt8 {
+    internal enum ByteMask: UInt8, Sendable {
 
         // MARK: Cases
 
@@ -441,7 +441,7 @@ extension CBOR {
     }
 
     /// CBOR Major Type
-    internal enum MajorType: UInt8 {
+    internal enum MajorType: UInt8, Sendable {
 
         // MARK: Cases
 
@@ -456,7 +456,7 @@ extension CBOR {
     }
 
     /// Major Type 7 defined bits
-    internal enum Bits: UInt8 {
+    internal enum Bits: UInt8, Sendable {
 
         // MARK: Cases
 
@@ -474,7 +474,7 @@ extension CBOR {
      Optional CBOR Tags described by [RFC 8949 Section
      3.4](https://datatracker.ietf.org/doc/html/rfc8949#section-3.4).
      */
-    internal enum Tag: CustomStringConvertible {
+    internal enum Tag: CustomStringConvertible, Sendable {
 
         // MARK: Cases
 
@@ -590,7 +590,7 @@ extension CBOR {
      constructing the `codingPath` property of the `__CBOREncoder` and
      `__CBORDecoder` instances
      */
-    internal struct CodingKey: Swift.CodingKey {
+    internal struct CodingKey: Swift.CodingKey, Sendable {
 
         // MARK: Swift.CodingKey Protocol Requirements
 
@@ -696,3 +696,19 @@ extension DecodingError {
         }
     }
 }
+
+// MARK: - CBOR.DecimalFraction Extension
+
+extension CBOR.DecimalFraction: Sendable where I1: Sendable, I2: Sendable { }
+
+// MARK: - CBOR.Bigfloat Extension
+
+extension CBOR.Bigfloat: Sendable where I1: Sendable, I2: Sendable { }
+
+// MARK: - CBOR.IndefiniteLengthArray Extension
+
+extension CBOR.IndefiniteLengthArray: Sendable where Element: Sendable { }
+
+// MARK: - CBOR.IndefiniteLengthMap Extension
+
+extension CBOR.IndefiniteLengthMap: Sendable where Key: Sendable, Value: Sendable { }

Tests/CBORCodingTests/CBORTests.swift

@@ -504,7 +504,7 @@ class CBORTests: XCTestCase {
     func testDirectlyEncodeCBOREncoded() {
         struct Test: Encodable {
 
-            static var value: Data = {
+            static let value: Data = {
                 try! CBOREncoder().encode("CBOR")
             }()