Various improvements and changed encoding/decoding format to LLL-NNN-LLC with reduced character set.

cmd/triplex-example/main.go

@@ -13,11 +13,11 @@ import (
 	"git.hoiting.org/micha/triplex/serial"
 )
 
-func alreadyUsedByClient(idx uint32) bool {
+func alreadyUsedByClient(idx uint) bool {
 	return idx%2 == 0
 }
 
-func myRandomIndex(max uint32) (uint32, error) {
+func myRandomIndex(max uint) (uint, error) {
 	if max == 0 {
 		return 0, fmt.Errorf("max must be > 0")
 	}
@@ -27,7 +27,7 @@ func myRandomIndex(max uint32) (uint32, error) {
 		return 0, err
 	}
 
-	return binary.LittleEndian.Uint32(buf[:]) % max, nil
+	return uint(binary.LittleEndian.Uint32(buf[:])) % max, nil
 }
 
 func main() {
@@ -48,10 +48,10 @@ func main() {
 
 	opts := serial.RandomCodeOptions{
 		MaxAttempts: 500,
-		IsInUse: func(idx uint32) bool {
+		IsInUse: func(idx uint) bool {
 			return alreadyUsedByClient(idx)
 		},
-		RandomIndex: func(max uint32) (uint32, error) {
+		RandomIndex: func(max uint) (uint, error) {
 			return myRandomIndex(max)
 		},
 	}