/// <summary>
/// Converts the <paramref name="source"/> <see cref="Tuple"/> to
/// its string representation.
/// </summary>
/// <param name="source">The tuple to convert.</param>
/// <param name="format">Indicates whether to use <see cref="Format"/>,
/// or <see cref="Tuple.ToString"/> method.</param>
/// <returns>String representation of <paramref name="source"/> <see cref="Tuple"/>.</returns>
public static string ToString(this Tuple source, bool format)
{
return(format ? source.Format() : source.ToString());
}