Update for modern go and use crypto rand by default

babble.go

@@ -1,18 +1,15 @@
 package babble
 
 import (
-	"math/rand"
+	"crypto/rand"
+	"encoding/binary"
 	"strings"
-	"time"
 )
 
-func init() {
-	rand.Seed(time.Now().UnixNano())
-}
-
 type Babbler struct {
 	Count int
 	Separator string
+	Rand func() uint32
 	Words []string
 }
 
@@ -24,10 +21,25 @@ func NewBabbler() (b Babbler) {
 }
 
 func (this Babbler) Babble() string {
-	pieces := []string{}
-	for i := 0; i < this.Count ; i++ {
-		pieces = append(pieces, this.Words[rand.Int()%len(this.Words)])
+	pieces := make([]string, this.Count)
+	for idx := range this.Count {
+		rand := int(this.rand())
+		pieces[idx] = this.Words[rand%len(this.Words)]
 	}
 
 	return strings.Join(pieces, this.Separator)
 }
+
+func (this Babbler) rand() uint32 {
+	if this.Rand != nil {
+		return this.Rand()
+	}
+
+	var data [4]byte
+	_, err := rand.Read(data[:])
+	if err != nil {
+		panic(err)
+	}
+
+	return binary.LittleEndian.Uint32(data[:])
+}

babble_unix.go

@@ -3,7 +3,7 @@
 package babble
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"strings"
 )
@@ -14,7 +14,7 @@ func readAvailableDictionary() (words []string) {
 		panic(err)
 	}
 
-	bytes, err := ioutil.ReadAll(file)
+	bytes, err := io.ReadAll(file)
 	if err != nil {
 		panic(err)
 	}