Thanks guys, I now use "as_slice()" when necessary. And hopefully in the future the regular expression library will be updated to work on StrBuf instead of &str as this seems to be the main use case (read in file, run regexp on it).
Urban On Mon, May 26, 2014 at 8:58 AM, Vladimir Matveev <[email protected]>wrote: > > My suspicion is that the automatic conversion will come back at some > > point, but I'm not sure. > > I think it will be possible to make `String` implement `Deref<str>` > when DST land. Then it will be possible to convert from `String` to > `&str` using explicit reborrowing: > > let sgf_slice = &*sgf; > > I'm not sure this will be fully automatic when `String` is an > arbitrary actual argument to arbitrary function, however. > > 2014-05-26 10:36 GMT+04:00 Andrew Gallant <[email protected]>: > > Try using `self.sgf.as_slice()` instead. > > > > The change is necessary, AFAIK, because `~str` would automatically be > > converted to a borrowed reference without having to explicitly call the > > `as_slice` method. This doesn't happen for the StrBuf (and what is now > > String, I think) type. > > > > My suspicion is that the automatic conversion will come back at some > > point, but I'm not sure. > > > > - Andrew > > > > > > On Mon, May 26, 2014 at 2:32 AM, Urban Hafner <[email protected]> > wrote: > >> Hello there, > >> > >> I just updated the compiler (I use the git master branch) and now when I > >> read in a file I get a StrBuf instead of a ~str. That is easy enough to > >> change, but how do I use regular expressions now? I have the following > in my > >> code: > >> > >> let re = regex!(r"SZ\[(\d+)\]"); > >> let captures = re.captures(self.sgf).unwrap(); > >> > >> And it fails now because "self.sgf" is a StrBuf instead of a &str. Do I > have > >> just a Rust compiler that is somewhere in between (i.e. not everything > has > >> been changed to StrBuf) or is this intentional? And if so, what's the > best > >> way to use regular expressions now? > >> > >> Urban > >> -- > >> Freelancer > >> > >> Available for hire for Ruby, Ruby on Rails, and JavaScript projects > >> > >> More at http://urbanhafner.com > >> > >> _______________________________________________ > >> Rust-dev mailing list > >> [email protected] > >> https://mail.mozilla.org/listinfo/rust-dev > >> > > _______________________________________________ > > Rust-dev mailing list > > [email protected] > > https://mail.mozilla.org/listinfo/rust-dev > -- Freelancer Available for hire for Ruby, Ruby on Rails, and JavaScript projects More at http://urbanhafner.com
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