qubit-function 0.17.0

Functional programming traits and Box/Rc/Arc adapters for Rust, inspired by Java functional interfaces
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

// =============================================================================
//    Copyright (c) 2026 Haixing Hu.
//
//    SPDX-License-Identifier: Apache-2.0
//
//    Licensed under the Apache License, Version 2.0.
// =============================================================================

use std::{
    cell::Cell,
    rc::Rc,
};

use qubit_function::{
    BoxConsumer,
    Consumer,
};

#[test]
fn test_box_conditional_consumer_macro_behavior() {
    let observed = Rc::new(Cell::new(0));
    let captured = Rc::clone(&observed);
    let consumer = BoxConsumer::new(move |value: &i32| captured.set(*value))
        .when(|value: &i32| *value > 0);
    consumer.accept(&42);
    consumer.accept(&-1);
    assert_eq!(observed.get(), 42);
}