// *****************************************************************************
// Copyright (C) 2018 Red Hat, Inc. and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

export interface ObjectIdentifier {
    $ident: number;
}

export namespace ObjectIdentifier {
    export const name = '$ident';

    export function mixin<T>(obj: T, id: number): T & ObjectIdentifier {
        Object.defineProperty(obj, name, { value: id, enumerable: true });
        return <T & ObjectIdentifier>obj;
    }

    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    export function of(obj: any): number {
        return obj[name];
    }
}