public void EitherIterateRightWhenRight()
{
int expected = 20;
int result = 10;
Either <string, int> either = 10;
EitherModule.IterateRight(
right => result += right
, either);
Assert.AreEqual(expected, result);
}
/// <summary>Applies the given function to <see cref="Either{TLeft, TRight}"/> value when <see cref="Either{TLeft, TRight}.IsRight"/>.</summary>
/// <typeparam name="TLeft">The type of the left value.</typeparam>
/// <typeparam name="TRight">The type of the right value.</typeparam>
/// <param name="action">The action to apply to right value of input <paramref name="either"/>.</param>
/// <param name="either">the input either.</param>
public static void IterateRight <TLeft, TRight>(this Either <TLeft, TRight> either, Action <TRight> action)
=> EitherModule.IterateRight(action, either);