public static TResult NullCond <TArg, TResult>(this FluentApiUtilitiesHandle <TArg> hnd, Func <TArg, TResult> func)
{
if (func is null)
{
throw new ArgumentNullException(paramName: nameof(func));
}
//
if (hnd.Value == null)
{
return(default);
public static void NullCond <TArg>(this FluentApiUtilitiesHandle <TArg> hnd, Action <TArg> action)
{
if (action is null)
{
throw new ArgumentNullException(paramName: nameof(action));
}
//
if (hnd.Value != null)
{
action(obj: hnd.Value);
}
}
public static FluentApiUtilitiesHandle <TResult> Select <TSource, TResult>(this FluentApiUtilitiesHandle <TSource> hnd, Func <TSource, TResult> selector)
{
selector.EnsureNotNull(nameof(selector));
//
return(new FluentApiUtilitiesHandle <TResult>(value: selector(arg: hnd.Value)));
}