Add base64

base64/base64.go

@@ -0,0 +1,22 @@
+package base64
+
+import (
+	"encoding/base64"
+	"fmt"
+)
+
+func Base64() {
+	target := "abc123!?$*&()'-=@~"
+
+	out := base64.StdEncoding.EncodeToString([]byte(target))
+	fmt.Println(target)
+	fmt.Println(out)
+
+	decoded, _ := base64.StdEncoding.DecodeString(out)
+	fmt.Println(string(decoded))
+	fmt.Println()
+
+	out = base64.URLEncoding.EncodeToString([]byte(target))
+	fmt.Println(target)
+	fmt.Println(out)
+}