On 5 December 2013 11:40, György Andrasek <jur...@gmail.com> wrote: > On 12/05/2013 04:53 AM, Patrick Walton wrote: >> >> 4. *The argument to functions such as "filter" should be pure to allow >> for stream fusion.* Purity is hard in Rust. We tried it and the >> annotation burden was too high. At least our iterators allow for more >> stream fusion than creating intermediate data structures would. > > > Could you elaborate a bit for those of us who weren't around? I've been > thinking about how purity would work in Rust, but a quick search says the > verdict was apparently "kill it with fire" (#5384). If there's a List of > Things We've Already Tried So Stop Asking, this really needs to be on it.
Graydon's response here <https://mail.mozilla.org/pipermail/rust-dev/2013-April/003926.html> and other posts in that thread gives one starting point. Alex _______________________________________________ Rust-dev mailing list Rust-dev@mozilla.org https://mail.mozilla.org/listinfo/rust-dev
