prefixed-tsid 0.9.0

Create Stripe-style prefixed database IDs that are type-safe and portable
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

use std::hash::Hash;
use std::fmt::Debug;

pub trait TSIDResource: Eq + PartialEq + Clone + Copy + Hash + Send + Debug {
    fn prefix() -> Option<String>;
}

#[macro_export]
macro_rules! id_resource_type {
    ($struct_name: ident, $prefix: literal) => {
        #[derive(Eq, PartialEq, Clone, Copy, Debug, Hash)]
        pub struct $struct_name;
        impl TSIDResource for $struct_name {
            fn prefix() -> Option<String> {
                Some($prefix.to_owned())
            }
        }
    };
}

#[derive(Eq, PartialEq, Clone, Copy, Debug, Hash)]
pub struct IDUnknown;
impl TSIDResource for IDUnknown {
    fn prefix() -> Option<String> {
        None
    }
}