hc_utils 0.6.1-rc.1

Helper functions for holochain hdk development
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

use hdk::prelude::*;

// gets latest link created to the specific base
pub fn get_latest_link(query: LinkQuery, strategy: GetStrategy) -> ExternResult<Option<Link>> {
    let profile_info = get_links(query, strategy)?;

    // Find the latest
    let latest_info =
        profile_info
            .into_iter()
            .fold(None, |latest: Option<Link>, link| match latest {
                Some(latest) => {
                    if link.timestamp > latest.timestamp {
                        Some(link)
                    } else {
                        Some(latest)
                    }
                }
                None => Some(link),
            });
    return Ok(latest_info);
}