feat: updates

src/util.rs

@@ -4,6 +4,7 @@ use std::io::Read;
 use base64::{DecodeError, Engine};
 use base64::engine::general_purpose::{STANDARD, URL_SAFE_NO_PAD};
 use rust_util::XResult;
+use serde::Serialize;
 
 pub fn base64_encode<T: AsRef<[u8]>>(input: T) -> String {
     STANDARD.encode(input)
@@ -48,3 +49,10 @@ pub fn read_file_or_stdin(file: &str) -> XResult<Vec<u8>> {
         Ok(opt_result!(fs::read(file), "Read file: {} failed: {}", file))
     }
 }
+
+pub fn print_pretty_json<T>(value: &T)
+where
+    T: ?Sized + Serialize,
+{
+    println!("{}", serde_json::to_string_pretty(value).unwrap());
+}