Go provides this functionality using interfaces.

brucee

On 5 May 2017 at 03:52, Giacomo Tesio <giacomo@tesio.it> wrote:

> Nice idea. What do you have in mind instead of file descriptor?
>
> What about returning the current function from Biofn to allow filters'
> composition?
>
>
> Giacomo
>
> 2017-05-04 18:23 GMT+02:00 Benjamin Purcell <benjapurcell@gmail.com>:
> > I love it
> >
> > spew
> >
> > On Thu, May 4, 2017 at 11:02 AM, Julius Schmidt <aiju@phicode.de> wrote:
> >> I would like to change bio to do all I/O through a user replaceable
> >> function. The attached patch does just that, adding a new function
> Biofn()
> >> to register such a function, which replaces read/write.
> >>
> >> Main uses I have in mind:
> >>
> >> 1. Allow programs to flush output buffers before stalling for more
> input,
> >> which would most likely be activated with a command line flag.
> >>
> >> 2. Use bio with things that are not file descriptors.
> >>
> >> 3. Apply filters to input/outputs (arguably could also be done with
> pipes).
> >>
> >> 4. Use bio with ioprocs.
>