/*******************************************************************************
 *
 *    Copyright (c) 2025 - 2026 Haixing Hu.
 *
 *    SPDX-License-Identifier: Apache-2.0
 *
 *    Licensed under the Apache License, Version 2.0.
 *
 ******************************************************************************/
// qubit-style: allow explicit-imports
//! Defines the `ArcUnaryOperator` public type.

#![allow(unused_imports)]

use super::*;

/// Type alias for `ArcTransformer<T, T>`
///
/// Represents a thread-safe unary operator that transforms a value of type `T`
/// to another value of the same type `T`. Equivalent to Java's `UnaryOperator<T>`
/// with shared, thread-safe ownership.
///
/// # Examples
///
/// ```rust
/// use qubit_function::{ArcUnaryOperator, Transformer};
///
/// let double: ArcUnaryOperator<i32> = ArcUnaryOperator::new(|x| x * 2);
/// let double_clone = double.clone();
/// assert_eq!(double.apply(21), 42);
/// assert_eq!(double_clone.apply(21), 42);
/// ```
///
pub type ArcUnaryOperator<T> = ArcTransformer<T, T>;
