Overload.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
namespace open3d {
namespace utility {
 
template <typename... Ts>
struct Overloaded : Ts... {
    using Ts::operator()...;
};
 
// C++17 deduction guide
template <typename... Ts>
Overloaded(Ts...) -> Overloaded<Ts...>;
 
template <typename... Ts>
Overloaded<Ts...> Overload(Ts... ts) {
    return Overloaded{ts...};  // C++17 deduction guide makes <Ts...> redundant
}
 
}  // namespace utility
}  // namespace open3d