Re: [Haskell-cafe] Data.ByteString.dropWhile

drtomc:

Hi All,

I notice that Data.ByteString has span and spanEnd. Is there a known

and break/breakEnd.

particular reason why dropWhile and takeWhile don't have corresponding *End functions? If not, what is the protocol for adding them?

There's no reason -- we couldn't decide on whether to support 'end/-right' versions of most traversals. To add them you'd implement them, send the patch to Duncan and I, for inclusion in bytestring 1.0. Duncan -- did we ever sort out a policy on the left/right normal/-end versions of things? breakEnd I use all the time, but perhaps we should fix upon what api we are to provide. -- Don