Write,Read};#[derive(Debug,PartialEq)]structPerson{ name:String, age:u8,}implPerson{fnserialize<W:Write>(&self, writer:&mut W)->Result<(),Error>{letname_bytes=self.name.as_bytes();if name_bytes.len()>255{returnErr(Error::new(ErrorKind::Custom("name too long".to_string()))...
; _serde::ser::SerializeStruct::end(__serde_state) } } 可以看到,serde是通过依赖注入的方式,将序列化的方法调用延迟到由用户(或者说serde)来执行,从而实现解耦。 总结 总的来说,serde框架是应用程序与协议库之间约定好的协议,当用户调用序列化方法时,协议库会提供序列化的具体实现,而用户则会提供...
title: String, body: String } #[derive(Serialize, Deserialize)] pub struct PostMetadata { ...
main.rs #![allow(non_snake_case)]#![allow(unused)]usestd::str::from_utf8;useserde::Deserialize;useserde::Serialize;useserde_json::to_string_pretty;fnmain() {// json字符串// r#" "# r表示使用转义字符将回车等特殊字符也表示出letjson=r#" { "name": "liuyang", "age": 25, "ema...
useaws_sdk_s3::{Client, primitives::ByteStream};uselambda_runtime::{run, service_fn, Error, LambdaEvent};useserde::{Deserialize, Serialize};useserde_json::Value;usestd::env;#[derive(Deserialize, Serialize)]structOrder{order_id:String, amount:f64, item:String, }asyncfnfunction_handler(even...
#[derive(Serialize,Deserialize)]struct Message<'r>{contents:&'r str,}#[put("/<id>",data="<msg>")]fnupdate(db:&Db,id:Id,msg:Json<Message<'_>>)->Value{ifdb.contains_key(&id){db.insert(id,msg.contents);json!({"status":"ok"})}else{json!({"status":"error"})}} ...
use serde::{Serialize,Deserialize};#[derive(Serialize,Deserialize)]struct Foo{#[serde(with="hex")]bar:Vec<u8>,} 小结 好了,hex就是一个简单又基础的库。不过却非常重要。如果你看到那些hex的字符串就能想到些什么,那么恭喜你,这个库一定就是你最常用的库了～ ...
#[derive(Serialize, Deserialize, Debug)] struct ServerConfig { workers: u64, ignore: bool, auth_server: Option<String>, } fn main() { let config = ServerConfig { workers: 100, ignore: false, auth_server: Some(String::from("auth.server.io")), ...
use serde::{Serialize, Deserialize}; #[derive(Serialize, Deserialize, Debug)] struct ServerConfig { workers: u64, ignore: bool, auth_server: Option<String>, } fn main() { let config = ServerConfig { workers: 100, ignore: false, auth_server: Some(String::from("auth.server.io")), ...
#[derive(Serialize, Deserialize)]struct Message<'r> { contents: &'r str,}#[put("/<id>", data = "<msg>")]fnupdate(db:&Db,id: Id,msg: Json<Message<'_>>)->Value{ifdb.contains_key(&id){ db.insert(id,msg.contents);json!({"status":"ok"})}else{ ...