public SafePipeline <TNewSuccess, TFailure> Select <TNewSuccess>(
Func <TSuccess, TNewSuccess> fn)
{
async Task <Result <TNewSuccess, TFailure> > CombineExpressions()
{
var result = await Expression();
return(result.Map(fn));
}
return(CreateSafePipeline.With(CombineExpressions));
}
public SafePipeline <TNewSuccess, TFailure> Select <TNewSuccess>(
Func <TSuccess, Task <TNewSuccess> > fn)
{
async Task <Result <TNewSuccess, TFailure> > CombineExpressions()
{
var result = await Expression();
return(await result.MapAsync(async value => await fn(value)));
}
return(CreateSafePipeline.With(CombineExpressions));
}
public SafePipeline <TNewSuccess, TFailure> SelectMany <TNewSuccess>(
Func <TSuccess, SafePipeline <TNewSuccess, TFailure> > fn)
{
async Task <Result <TNewSuccess, TFailure> > CombineExpressions()
{
var result = await Expression();
return((await result.Map(value => fn(value))
.MapAsync(async safePipeline => await safePipeline.Flatten()))
.Bind(innerResult => innerResult));
}
return(CreateSafePipeline.With(CombineExpressions));
}
