Code shared from the Rust Playground

playground.rs

use serde::{Deserialize, Serialize};
use serde_json::Result;

#[derive(Serialize, Deserialize)]
pub struct Post {
    title: String,
    created: String,
    link: String,
    description: String,
    content: String,
    author: String,
}

fn main() -> Result<()> {
    let mut posts:Vec<Post> = Vec::new();
    let post = Post {
        title: "the title".to_string(),
        created: "2021/06/24".to_string(),
        link: "/2021/06/24/post".to_string(),
        description: "description".to_string(),
        content: "content".to_string(),
        author: "jack".to_string(),
    };
    posts.push(post);
    let json = serde_json::to_string(&posts)?;
    dbg!(json);
    Ok(())
}