Proposal: Add sequenceWhile and SequenceWhile_ to Control.Monad

[Daniel Gorín]

On May 9, 2009, at 4:47 PM, Sittampalam, Ganesh wrote:

>> I'd be happy with the composition of two library functions *provided*
>> I can get hold of the value of the last run action.
>
> I think the While name needs to change, in that case. I can't think  
> of a
> nice sounding alternative though :-(


what about "sequenceUntil"? (of course, sequenceUntil p as ==  
sequenceWhile (not . p) as)

FWIW, I too think a function like sequenceWhile or sequenceUntil would  
be a convenient addition

daniel