(patch) Minor cleanup and documentation. (#4)

Reviewed-on: #4

README.md

@@ -52,8 +52,7 @@ given HexEncode[Array[Byte]] = new HexEncode[Array[Byte]] {
 }
 
 given HexDecode[Array[Byte]] = new HexDecode[Array[Byte]] {
-  def fromHexString(data: String): Option[Array[Byte]] =
-    Hex.fromHexString(data)
+  def fromHexString(data: String): Option[Array[Byte]] = Hex.fromHexString(data)
 }
 ```
 
@@ -61,10 +60,10 @@ given HexDecode[Array[Byte]] = new HexDecode[Array[Byte]] {
 
 ```scala
 def encode[A](data: A)(using HexEncode[A]): String =
-  data.toHex()
+  Hex.toHexString(dataToBytes(data))
 
 def decode[A](data: String)(using HexDecode[A]): Option[A] =
-  data.fromHex()
+  Hex.fromHexString(data).map(dataFromBytes)
 ```
 
 ## Donate

src/main/scala/gs/hex/v0/HexDecode.scala

@@ -13,8 +13,6 @@ trait HexDecode[A]:
     */
   def fromHexString(data: String): Option[A]
 
-  extension (data: String) def fromHex(): Option[A] = fromHexString(data)
-
 object HexDecode:
 
   /** Retrieve the [[HexDecode]] instance for the given type.

src/main/scala/gs/hex/v0/HexEncode.scala

@@ -12,8 +12,6 @@ trait HexEncode[A]:
     */
   def toHexString(data: A): String
 
-  extension (data: A) def toHex(): String = toHexString(data)
-
 object HexEncode:
 
   /** Retrieve the [[HexEncode]] instance for the given type.

src/test/scala/gs/blob/v0/EncodeDecodeTests.scala

@@ -89,15 +89,15 @@ class EncodeDecodeTests extends munit.FunSuite:
     data: A
   )(
     using
-    HexEncode[A]
-  ): String = data.toHex()
+    H: HexEncode[A]
+  ): String = H.toHexString(data)
 
   private def decode[A](
     data: String
   )(
     using
-    HexDecode[A]
-  ): Option[A] = data.fromHex()
+    H: HexDecode[A]
+  ): Option[A] = H.fromHexString(data)
 
   private def randomByteArray(): Array[Byte] =
     val length = Rng.nextInt(MaxLength) + MinLength