private KoanResult combineContainersUnlessFailed(KoanResult state, KoanResult next)
{
if (state is Success)
return combine(joinContainers, state.Message, next);
else return state;
}
private KoanResult combine(Func<string, string, string> joinMessages, string message, KoanResult next)
{
var newMsg = joinMessages(message, next.Message);
if (next is Success)
return new Success(newMsg);
else
return new Failure(newMsg, (next as Failure).Exception);
}
private KoanResult combineLinesUnlessFailed(KoanResult state, KoanResult next)
{
if (state is Success)
{
return(combine(joinLines, state.Message, next));
}
else
{
return(state);
}
}
private KoanResult combine(Func <string, string, string> joinMessages, string message, KoanResult next)
{
var newMsg = joinMessages(message, next.Message);
if (next is Success)
{
return(new Success(newMsg));
}
else
{
return(new Failure(newMsg, (next as Failure).Exception));
}
}