qubit-function 0.17.0

Functional programming traits and Box/Rc/Arc adapters for Rust, inspired by Java functional interfaces
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// =============================================================================
//    Copyright (c) 2025 - 2026 Haixing Hu.
//
//    SPDX-License-Identifier: Apache-2.0
//
//    Licensed under the Apache License, Version 2.0.
// =============================================================================

use qubit_function::{
    BoxMutator,
    Mutator,
};

#[test]
fn test_conditional_mutator_debug_display_observable_behavior() {
    let mutator = BoxMutator::new(|value: &mut i32| *value += 1);
    let mut value = 41;
    mutator.apply(&mut value);
    assert_eq!(value, 42);
}