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//================================================================ /** * @packageDocumentation * @module std   *///================================================================/** * Base Exception. *  * @author Jeongho Nam - https://github.com/samchon */export class Exception extends Error{    /* ---------------------------------------------------------        CONSTRUCTOR    --------------------------------------------------------- */    /**     * Initializer Constructor.     *      * @param message The error messgae.     */    public constructor(message: string)    {        super(message);
        // INHERITANCE POLYFILL        let proto = new.target.prototype;        if (Object.setPrototypeOf)            Object.setPrototypeOf(this, proto);        else            (this as any).__proto__ = proto;    }
    /* ---------------------------------------------------------        ACCESSORS    --------------------------------------------------------- */    /**     * The error name.     */    public get name(): string    {        return this.constructor.name;    }
    /**     * Get error message.     *      * @return The error message.     */    public what(): string    {        return this.message;    }
    /**     * Native function for `JSON.stringify()`.     *      * The {@link Exception.toJSON} function returns only three properties; ({@link name}, {@link message} and {@link stack}). If you want to define a new sub-class extending the {@link Exception} and let the class to export additional props (or remove some props), override this {@link Exception.toJSON} method.     *      * @return An object for `JSON.stringify()`.     */    public toJSON(): object    {        return {            name: this.name,            message: this.message,            stack: this.stack        };    }}