Parse with rust a nested JSON string (actix_web post parameters) what root is an array25.12.22

/*
the actix_web post string looks like:                                                                                                                                 
[{"ids":{"price_list":"P-ABK","style":"BDS04","from_qty":"0"},"values":{"margin":"111"},"table":"zz_min_margin","db":"sl","server\
":"231"}]                                                                                                                         
*/

#[derive(Debug, Deserialize, Serialize)]
struct Data {
    server: String,
    db: String,
    table: String,
    ids: HashMap<String,String>,
    values: HashMap<String,String>,
}

pub async fn column2_post(h_post: String) -> impl Responder {
  let mut post_return = PostReturn{msg:"failed".to_string()};
  //println!("{}",h_post);                                                                                                        
  let data: Vec<Data> = serde_json::from_str(&h_post).unwrap();
  let d = &data[0];
  for(k, v) in d.ids.iter()
  {
   println!("{k}");
   println!("{v}");
  }

return web::Json(post_return)
}

https://turreta.com/2019/09/11/rust-how-to-get-keys-and-values-from-hashmap/

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Parse with rust a nested JSON string (actix_web post parameters) what root is an array25.12.22

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