// Copyright (c) 2020-2022 Thomas Kramer.
// SPDX-FileCopyrightText: 2022 Thomas Kramer
//
// SPDX-License-Identifier: AGPL-3.0-or-later
//! ID of an arc (net segment). The arc is defined by two terminals (pin or pin instance).
use *;
use Hash;
/// An arc represents the direct path from one pin to another.