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框架仓库 https://github.com/paritytech/jsonrpc#readme 使用 1.依赖 [dependencies] jsonrpc-core = "18.0.0" jsonrpc-core-client = "18.0.0" jsonrpc-http-server = "18.0.0" jsonrpc-ipc-server = "18.0.0" jsonrpc-tcp-server= "18.0.0" jsonrpc-ws-server = "18.0.0" js

题目描述 力扣 // Definition for singly-linked list. #[derive(PartialEq, Eq, Clone, Debug)] pub struct ListNode { pub val: i32, pub next: Option<Box<ListNode>>, } struct Solution {} impl Solution { pub fn add_two_numbers( l1

不需要引入第三方依赖，直接用系统自带的库。 use std::time::{SystemTime, UNIX_EPOCH}; match SystemTime::now().duration_since(UNIX_EPOCH) { Ok(n) => println!("1970-01-01 00:00:00 UTC was {} seconds ago!", n.as_secs()), Err(_) => panic!("SystemTime before UNIX E