😴 Improve code quality

core/src/main/kotlin/ch/dissem/bitmessage/utils/Encode.kt

@@ -45,26 +45,32 @@ object Encode {
     @JvmStatic
     fun varInt(value: Number, buffer: ByteBuffer) {
         val longValue = value.toLong()
-        if (longValue < 0) {
+        when {
+            longValue < 0 -> {
                 // This is due to the fact that Java doesn't really support unsigned values.
                 // Please be aware that this might be an error due to a smaller negative value being cast to long.
                 // Normally, negative values shouldn't occur within the protocol, and longs large enough for being
                 // recognized as negatives aren't realistic.
                 buffer.put(0xff.toByte())
                 buffer.putLong(longValue)
-        } else if (longValue < 0xfd) {
+            }
+            longValue < 0xfd -> {
                 buffer.put(value.toByte())
-        } else if (longValue <= 0xffffL) {
+            }
+            longValue <= 0xffffL -> {
                 buffer.put(0xfd.toByte())
                 buffer.putShort(value.toShort())
-        } else if (longValue <= 0xffffffffL) {
+            }
+            longValue <= 0xffffffffL -> {
                 buffer.put(0xfe.toByte())
                 buffer.putInt(value.toInt())
-        } else {
+            }
+            else -> {
                 buffer.put(0xff.toByte())
                 buffer.putLong(longValue)
             }
         }
+    }
 
     @JvmStatic
     fun varInt(value: Number): ByteArray {