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use crate::*;use bson::{Bson, Document};use serde_json::Value;
pub fn async_result<T>(args: &CommandArgs, data: T) -> Bufwhere    T: Serialize,{    let result = AsyncResult {        command_id: args.command_id.unwrap(),        data,    };    let json = json!(result);    let data = serde_json::to_vec(&json).unwrap();    Buf::from(data)}
pub fn maybe_json_to_document(maybe_json: Option<Value>) -> Option<Document> {    if let Some(val) = maybe_json {        json_to_document(val)    } else {        None    }}
pub fn json_to_document(json: Value) -> Option<Document> {    let bson: Bson = json.into();    match bson {        Bson::Document(doc) => Some(doc),        _ => None,    }}
pub fn jsons_to_documents(jsons: Vec<Value>) -> Vec<Document> {    jsons        .iter()        .filter_map(|json| json_to_document(json.to_owned()))        .collect()}