Hi Peff,
On Sun, 31 Jan 2016, Jeff King wrote:
> On Sun, Jan 31, 2016 at 12:54:29PM +0100, Johannes Schindelin wrote:
>
> > On Sun, 31 Jan 2016, Jeff King wrote:
> >
> > > > It's a shame that we can't just factor out this common
> > > > code, but I don't think it's quite long enough to merit
> > > > the boilerplate. The interesting part of each function
> > > > happens inside the loop. If C had lambdas, we could do
> > > > something like:
> > > >
> > > > foreach_path_from(stdin, nul_term_line) {
> > > > /* now do something interesting with "buf"
> > > > and some other local variables */
> > > > }
> >
> > Technically, we do not have to do lambdas for that paradigm, we could
> > introduce a new data type and a reader, i.e. something like this:
> > [...]
> > And then the repeated code could be replaced by something like this:
> >
> > struct path_reader path_reader = PATH_READER_INIT;
> >
> > while (read_next_path(&reader, stdin, 1)) {
> > ... [work with reader->path.buf] ...
> > }
> >
> > cleanup_path_reader();
>
> Yeah, you're right. I was thinking of lifting the loop completely out of
> the call-sites, but simplifying it to a single line loop condition is
> just as good.
>
> I still think this crosses my line of "too much boilerplate to be worth
> it", though.
Oh, I totally agree. Just wanted to point out that there are other
options.
Ciao,
Dscho
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