Thanks for the link. That RFC is a great read. > On Jan 1, 2015, at 11:09 AM, Gulshan Singh <[email protected]> wrote: > > I've also heard HKT are need for this trait. See the "Lack of iterator > methods" section of this RFC for an explanation: > https://github.com/rust-lang/rfcs/blob/master/text/0235-collections-conventions.md > > <https://github.com/rust-lang/rfcs/blob/master/text/0235-collections-conventions.md> > > On Thu Jan 01 2015 at 9:54:20 AM Ryan Hiebert <[email protected] > <mailto:[email protected]>> wrote: > I asked why there wasn't an Iterable trait in rust, for just this reason, and > was informed that the trait would require higher kinded types. I suspect that > once those arrive (sometime after 1.0) that for loops may change to use > Iterable instead of Iterator. > > Sent from my iPhone > > > On Jan 1, 2015, at 4:49 AM, Pim Schellart <[email protected] > > <mailto:[email protected]>> wrote: > > > > Dear Rust developers, > > > > I have just started using rust so this is obviously a stupid question but I > > was wondering why .iter() is needed when looping over the elements of an > > array? In the following example: > > > > let a = [1i, 2i, 3i]; > > > > for e in a.iter() { > > println!("{}", e); > > } > > > > why can’t one simply write: > > > > let a = [1i, 2i, 3i]; > > > > for e in a { > > println!("{}", e); > > } > > > > and have the compiler figure out that ‘a’ has ‘.iter()’ and use it? The > > form without .iter() just feels more natural to me in this case. > > Please feel free to tell me to RTFM or ask this question elsewhere. > > > > Regards, > > > > Pim > > _______________________________________________ > > Rust-dev mailing list > > [email protected] <mailto:[email protected]> > > https://mail.mozilla.org/listinfo/rust-dev > > <https://mail.mozilla.org/listinfo/rust-dev> > _______________________________________________ > Rust-dev mailing list > [email protected] <mailto:[email protected]> > https://mail.mozilla.org/listinfo/rust-dev > <https://mail.mozilla.org/listinfo/rust-dev>
_______________________________________________ Rust-dev mailing list [email protected] https://mail.mozilla.org/listinfo/rust-dev
