Remove dependency on Half, use Float16 instead

Author: christophhagen

Package.resolved

@@ -14,13 +14,10 @@ let package = Package(
     products: [
         .library(name: "CBORCoding", targets: ["CBORCoding"])
     ],
-
-    dependencies: [
-        .package(url: "https://github.com/SomeRandomiOSDev/Half", from: "1.4.1")
-    ],
+    dependencies: [],
 
     targets: [
-        .target(name: "CBORCoding", dependencies: ["Half"]),
-        .testTarget(name: "CBORCodingTests", dependencies: ["CBORCoding", "Half"])
+        .target(name: "CBORCoding", dependencies: []),
+        .testTarget(name: "CBORCodingTests", dependencies: ["CBORCoding"])
     ]
 )

Package.swift

@@ -6,7 +6,9 @@
 //
 
 import Foundation
+#if canImport(Half)
 @_implementationOnly import Half
+#endif
 
 #if canImport(Combine)
 import Combine

Sources/CBORCoding/CBORDecoder.swift

@@ -6,7 +6,9 @@
 //
 
 import Foundation
+#if canImport(Half)
 @_implementationOnly import Half
+#endif
 
 #if canImport(Combine)
 import Combine

Sources/CBORCoding/CBOREncoder.swift

@@ -6,7 +6,6 @@
 //
 
 import Foundation
-@_implementationOnly import Half
 
 // MARK: - CBORParser Definition
 

Sources/CBORCoding/CBORParser.swift

@@ -0,0 +1,5 @@
+import Foundation
+
+#if !canImport(Half)
+typealias Half = Float16
+#endif

Sources/CBORCoding/Half.swift

@@ -8,7 +8,9 @@
 // swiftlint:disable nesting function_body_length force_cast identifier_name opening_brace comma implicitly_unwrapped_optional number_separator force_unwrapping closure_spacing
 
 @testable import CBORCoding
+#if canImport(Half)
 import Half
+#endif
 import XCTest
 
 // MARK: - CBORDecoderTests Definition

Tests/CBORCodingTests/CBORDecoderTests.swift

@@ -8,7 +8,9 @@
 // swiftlint:disable comma nesting function_body_length identifier_name force_try force_cast number_separator force_unwrapping
 
 @testable import CBORCoding
+#if canImport(Half)
 import Half
+#endif
 import XCTest
 
 // MARK: - CBORTests Definition

Tests/CBORCodingTests/CBOREncoderTests.swift

@@ -8,7 +8,9 @@
 // swiftlint:disable function_body_length force_cast comma force_try implicitly_unwrapped_optional number_separator force_unwrapping
 
 @testable import CBORCoding
+#if canImport(Half)
 import Half
+#endif
 import XCTest
 
 // MARK: - CBORParserTests Definition