namespace Chernobyl.Extensions
{
    /// <summary>
    /// Extension methods for <see cref="string"/> and related types.
    /// </summary>
    public static class StringExtensions
    {
        /// <summary>
        /// Returns an empty string if the provided string is null.
        /// </summary>
        /// <param name="str">The string to check for null.</param>
        /// <returns><paramref name="str"/> or an empty string if it is null.</returns>
        public static string EmptyIfNull(this string str)
        {
            return str ?? string.Empty;
        }
    }
}