/// <summary>
/// Gets a value from the environment, using the provided <paramref name="key"/>. If the value could not be found, then
/// a provided default value is returned.
/// </summary>
/// <param name="environment">The <see cref="INancyEnvironment"/> instance.</param>
/// <param name="key">The key to retrieve the value for.</param>
/// <param name="defaultValue">The value to return if no stored value could be found.</param>
/// <typeparam name="T">The <see cref="Type"/> of the value to retreive from the environment.</typeparam>
/// <returns>The stored value.</returns>
public static T GetValueWithDefault <T>(this INancyEnvironment environment, string key, T defaultValue)
{
T value;
return(environment.TryGetValue(key, out value) ? value : defaultValue);
}
/// <summary>
/// Gets a value from the environment, using the full name of the type defined by <typeparamref name="T"/> as the key. If
/// the value could not be found, then a provided default value is returned.
/// </summary>
/// <param name="environment">The <see cref="INancyEnvironment"/> instance.</param>
/// <param name="defaultValue">The value to return if no stored value could be found.</param>
/// <typeparam name="T">The <see cref="Type"/> of the value to retreive from the environment.</typeparam>
/// <returns>The stored value.</returns>
public static T GetValueWithDefault <T>(this INancyEnvironment environment, T defaultValue)
{
T value;
return(environment.TryGetValue(typeof(T).FullName, out value) ? value : defaultValue);
}