lean into examples

examples/base64-encoding/base64-encoding.go

@@ -0,0 +1,24 @@
+package main
+
+import b64 "encoding/base64"
+import "fmt"
+
+func main() {
+    // The data we'll encode/decode.
+    data := "abc123!?$*&()'-=@~"
+    fmt.Println(data)
+    fmt.Println()
+
+    // Standard base64 encoding/decoding.
+    sEnc := b64.StdEncoding.EncodeToString([]byte(data))
+    fmt.Println(sEnc)
+    sDec, _ := b64.StdEncoding.DecodeString(sEnc)
+    fmt.Println(string(sDec))
+    fmt.Println()
+
+    // URL base64 encoding/decoding.
+    uEnc := b64.URLEncoding.EncodeToString([]byte(data))
+    fmt.Println(uEnc)
+    uDec, _ := b64.URLEncoding.DecodeString(uEnc)
+    fmt.Println(string(uDec))
+}