Instead of using a for statement, try looping over a custom iterator that returns an Enum.
On Fri, May 30, 2014 at 11:31 AM, Andrew Poelstra <apoels...@wpsoftware.net> wrote: > Hi guys, > > > Take is an iterator adaptor which cuts off the contained iterator after > some number of elements, always returning None. > > I find that I need to detect whether I'm getting None from a Take > iterator because I've read all of the elements I expected or because the > underlying iterator ran dry unexpectedly. (Specifically, I'm parsing > some data from the network and want to detect an early EOM.) > > > This seems like it might be only me, so I'm posing this to the list: if > there was a function Take::is_done(&self) -> bool, which returned whether > or not the Take had returned as many elements as it could, would that be > generally useful? > > I'm happy to submit a PR but want to check that this is appropriate for > the standard library. > > > > Thanks > > Andrew > > > > -- > Andrew Poelstra > Mathematics Department, University of Texas at Austin > Email: apoelstra at wpsoftware.net > Web: http://www.wpsoftware.net/andrew > > "If they had taught a class on how to be the kind of citizen Dick Cheney > worries about, I would have finished high school." --Edward Snowden > > > _______________________________________________ > Rust-dev mailing list > Rust-dev@mozilla.org > https://mail.mozilla.org/listinfo/rust-dev > >
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