public static Result <TResult, TMessage> SelectMany <TSuccess, TMessage, TValue, TResult>(
this Result <TSuccess, TMessage> result,
Func <TSuccess, Result <TValue, TMessage> > func,
Func <TSuccess, TValue, TResult> mapperFunc)
{
Func <TSuccess, Func <TValue, TResult> > curriedMapper = suc => val => mapperFunc(suc, val);
Func <
Result <TSuccess, TMessage>,
Result <TValue, TMessage>,
Result <TResult, TMessage>
> liftedMapper = (a, b) => Trial.Lift2(curriedMapper, a, b);
var v = Trial.Bind(func, result);
return(liftedMapper(result, v));
}
public static Result <TResult, TMessage> SelectMany <TSuccess, TMessage, TValue, TResult>(
this Result <TSuccess, TMessage> result,
Func <TSuccess, Result <TValue, TMessage> > func,
Func <TSuccess, TValue, TResult> mapperFunc)
{
if (func == null)
{
throw new ArgumentException(nameof(func));
}
if (mapperFunc == null)
{
throw new ArgumentException(nameof(mapperFunc));
}
Func <TSuccess, Func <TValue, TResult> > curriedMapper = suc => val => mapperFunc(suc, val);
Func <
Result <TSuccess, TMessage>,
Result <TValue, TMessage>,
Result <TResult, TMessage>
> liftedMapper = (a, b) => Trial.Lift2(curriedMapper, a, b);
var v = Trial.Bind(func, result);
return(liftedMapper(result, v));
}
public static Result <TResult, TMessage> SelectMany <TSuccess, TMessage, TResult>(this Result <TSuccess, TMessage> result,
Func <TSuccess, Result <TResult, TMessage> > func)
{
return(Trial.Bind(func, result));
}
