qubit-function 0.16.0

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.
// =============================================================================
//! Defines the `ArcBinaryOperator` public type.

use super::ArcBiTransformer;

/// A shared thread-safe binary transformation closed over one type.
///
/// Represents a thread-safe binary operator that takes two values of type `T`
/// and produces a value of the same type `T`. Equivalent to Java's
/// `BinaryOperator<T>` with shared, thread-safe ownership.
///
/// # Examples
///
/// ```rust
/// use qubit_function::{ArcBinaryOperator, BiTransformer};
///
/// let multiply: ArcBinaryOperator<i32> = ArcBinaryOperator::new(|x, y| x * y);
/// let multiply_clone = multiply.clone();
/// assert_eq!(multiply.apply(6, 7), 42);
/// assert_eq!(multiply_clone.apply(6, 7), 42);
/// ```
pub type ArcBinaryOperator<T> = ArcBiTransformer<T, T, T>;