Swift 5.0 deprecation warnings suppressed

Author: mw99

DataCompression.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "DataCompression"
-  s.version      = "3.3.0"
+  s.version      = "3.4.0"
   s.summary      = "Swift libcompression wrapper as an extension for the Data type (GZIP, ZLIB, LZFSE, LZMA, LZ4, deflate, RFC-1950, RFC-1951, RFC-1952)"
   s.authors      = { "Markus Wanke" => "mw99@users.noreply.github.com" }
   s.homepage     = "https://github.com/mw99/DataCompression"

README.md

@@ -21,7 +21,7 @@
 #### Swift version support
 | Library Version | Swift Version |
 |-----------------|---------------|
-| 3.2.0 -> 3.3.0  | 5.0           |
+| 3.4.0           | 5.0           |
 | 3.1.0           | 4.2           |
 | 3.0.0           | 3.0 -> 4.1    |
 | 2.0.1           | < 3.0         |
@@ -189,6 +189,10 @@ You only need one file located at `Sources/DataCompression.swift`. Drag and drop
 
 ## Change log / Upgrading guide
 
+
+##### Version `3.3.0` to `3.4.0`
+- Swift 5 release had further deprecation warnings than in the Swift 5 beta. Fixed.
+
 ##### Version `3.2.0` to `3.3.0`
 - Added support for Carthage
 

Sources/DataCompression/DataCompression.swift

@@ -95,7 +95,7 @@ public extension Data
     /// - note: Fixed at compression level 5 (best trade off between speed and time)
     func zip() -> Data?
     {
-        let header = Data(bytes: [0x78, 0x5e])
+        let header = Data([0x78, 0x5e])
 
         let deflated = self.withUnsafeBytes { (sourcePtr: UnsafePointer<UInt8>) -> Data? in
             let config = (operation: COMPRESSION_STREAM_ENCODE, algorithm: COMPRESSION_ZLIB)
@@ -153,7 +153,7 @@ public extension Data
     /// - note: Fixed at compression level 5 (best trade off between speed and time)
     func gzip() -> Data?
     {
-        var header = Data(bytes: [0x1f, 0x8b, 0x08, 0x00]) // magic, magic, deflate, noflags
+        var header = Data([0x1f, 0x8b, 0x08, 0x00]) // magic, magic, deflate, noflags
 
         var unixtime = UInt32(Date().timeIntervalSince1970).littleEndian
         header.append(Data(bytes: &unixtime, count: MemoryLayout<UInt32>.size))
@@ -433,8 +433,15 @@ public struct Adler32: CustomStringConvertible
 
 
 
-
-
+extension Data
+{
+    func withUnsafeBytes<ResultType, ContentType>(_ body: (UnsafePointer<ContentType>) throws -> ResultType) rethrows -> ResultType
+    {
+        return try self.withUnsafeBytes({ (rawBufferPointer: UnsafeRawBufferPointer) -> ResultType in
+            return try body(rawBufferPointer.bindMemory(to: ContentType.self).baseAddress!)
+        })
+    }
+}
 
 fileprivate extension Data.CompressionAlgorithm
 {

Tests/DataCompressionTests/CompressionTest.swift

@@ -9,6 +9,11 @@ class CompressionTest: XCTestCase
     {
         XCTAssertEqual("", pray(""))
     }
+
+    func testEmptyData()
+    {
+        XCTAssertEqual(Data(), comp(Data()))
+    }
 
     func testMiscSmall()
     {