add slice

single_file_tests/slice.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+func main() {
+	s := make([]string, 0)
+	s = append(s, "Hello", "World")
+
+	j, err := json.Marshal(s)
+	if err != nil {
+		fmt.Println("ERROR: ", err)
+		return
+	}
+	fmt.Println(string(j))
+}