feat: encode Data feature

Author: wuriyanto48

Sources/SwiftEncoding/Base64.swift

@@ -1,7 +1,11 @@
+import Foundation
+
 public enum Base64Error: Error {
     case invalidBase64Char
 }
 
+public func encodeBase64(data: Data) -> String { encodeBase64(data: data.bytes) }
+
 public func encodeBase64(data: String) -> String { encodeBase64(data: data.asByteArray()) }
 
 public func encodeBase64(data: [UInt8]) -> String {

Sources/SwiftEncoding/Hex.swift

@@ -1,7 +1,11 @@
+import Foundation
+
 public enum HexError: Error {
     case invalidHexChar
 }
 
+public func encodeHex(data: Data) -> String { encodeHex(data: data.bytes) }
+
 public func encodeHex(data: String) -> String { encodeHex(data: data.asByteArray()) }
 
 public func encodeHex(data: [UInt8]) -> String {

Sources/SwiftEncoding/SwiftEncoding.swift

@@ -1,3 +1,5 @@
+import Foundation
+
 public extension String {
     func asByteArray() -> [UInt8] {
         return self.utf8.map{UInt8($0)}
@@ -6,4 +8,16 @@ public extension String {
     var byteArray : [UInt8] {
         return self.utf8.map{UInt8($0)}
     }
+}
+
+extension Data {
+    var bytes: [UInt8] {
+        return [UInt8] (self)
+    }
+}
+
+extension Array where Element == UInt8 {
+    var data: Data {
+        return Data(self)
+    }
 }