txmap 3.1.5

A concurrent transactional hash map for Rust with fine-grained locking, internal mutability and composable transactions
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

use crate::{
    prelude::*,
    tests::{creators::*, data::*, types::*},
};

#[test]
fn remove_if_condition_not_met() {
    let map = map_alice(5);
    let threshold = 10u64;
    let result = map
        .immediate_tx::<GetOneState>()
        .remove_if(ALICE.into(), move |_k, v, _s| *v > threshold)
        .execute();
    assert_eq!(
        result,
        TxResult::Completed {
            state: GetOneState { result: None }
        }
    );
    assert_eq!(map.len(), 1);
}

#[test]
fn param_remove_if() {
    let map = map_alice_bob(5, 15);
    let threshold = 10u64;
    let result = map
        .immediate_tx::<GetTwoParamU64State>()
        .remove_if(ALICE.into(), move |_k, v, _s| *v > threshold)
        .remove_if(BOB.into(), move |_k, v, _s| *v > threshold)
        .get(ALICE.into(), |_k, v, s| s.result_a = v.copied())
        .execute();
    assert_eq!(
        result,
        TxResult::Completed {
            state: GetTwoParamU64State {
                result_a: Some(5),
                result_b: None
            }
        }
    );
    assert_eq!(map.len(), 1);
}