/// <summary>
/// Match that performs the given Action if the value is the given type and
/// exposes a field.
/// </summary>
/// <typeparam name="TCase">The type of value to match.</typeparam>
/// <param name="action">The action to perform if the value matches. May be null
/// in order to match and do nothing but prevent further matches.</param>
/// <returns>This Matcher or a NullMatcher if the match succeeded.</returns>
public ReturnMatcher <TValue, TResult> Case <TCase, TArg>(Func <TArg, TResult> action)
{
IMatchable <TArg> matchable = mValue as IMatchable <TArg>;
return(Case(() => (matchable != null) && (mValue is TCase),
() => action(matchable.GetArg())));
}
/// <summary>
/// Match that performs the given Action if the value is the given type and
/// exposes a field.
/// </summary>
/// <typeparam name="TCase">The type of value to match.</typeparam>
/// <param name="action">The action to perform if the value matches. May be null
/// in order to match and do nothing but prevent further matches.</param>
/// <returns>This Matcher or a NullMatcher if the match succeeded.</returns>
public Matcher <T> Case <TCase, TArg>(Action <TArg> action)
{
IMatchable <TArg> matchable = mValue as IMatchable <TArg>;
return(Case(() => (matchable != null) && (mValue is TCase),
() => action(matchable.GetArg())));
}