I don't agree that the type of a function and the return type of a function are the same thing (specifically, the type of the function contains the return type). :) If nothing else, this would make the function signatures of higher-order functions much harder to read IMO.
On Mon, Jul 29, 2013 at 8:29 PM, Patrick Walton <pwal...@mozilla.com> wrote: > On 7/29/13 4:29 PM, Wojciech Miłkowski wrote: > >> Hi, >> >> I'm observing rust development for some time, and I must say it slowly >> encourages me to use it. Especially the progress from Perl-like syntax >> to more sane and quiet form is enjoyable. >> That said I wonder why the function definition has form: >> fn name(var: type, ...) -> return_type {...} >> instead of more unified: >> fn name(var: type, ...): return_type {...} >> >> Is it constructed to mimic mathematical form f(x)->y or is there other >> reason i.e. syntax ambiguity? >> > > Personal preference of Graydon, I believe. This is one of the few > decisions that has survived from Rust 0.1 :) > > I slightly prefer `:` to `->` but never enough to bring it up. > > Patrick > > > ______________________________**_________________ > Rust-dev mailing list > Rust-dev@mozilla.org > https://mail.mozilla.org/**listinfo/rust-dev<https://mail.mozilla.org/listinfo/rust-dev> >
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