Let's go with this proposal then: <+>, <->, <*> and </> with the same precedence as the math equivalents.
*José Valimwww.plataformatec.com.br <http://www.plataformatec.com.br/>Founder and Director of R&D* On Thu, May 17, 2018 at 2:27 PM, Stas Versilov <[email protected]> wrote: > For my application (and for Decimal also) the same precedence as > traditional math would be the key success factor of the new operators. > > Lower precedence (as now for custom operators) would be counter-intuitive, > cause hardly detectable errors in calculations > and lead to excessive use of brackets, because a <+> b<*>c (or a + b<*>c, > as in my case) would actually work like (a + b)<*>c, not like a + (b<*>c) > , > as one would expect by default. > > > On Thursday, May 17, 2018 at 3:37:25 PM UTC+4, José Valim wrote: >> >> It would but it is worth saying we are adding a new rule that we don't >> have right now. Today all custom operators currently have the same >> precedence: >> >> https://github.com/elixir-lang/elixir/blob/master/lib/elixir >> /src/elixir_parser.yrl#L68 >> >> *José Valimwww.plataformatec.com.br >> <http://www.plataformatec.com.br/>Founder and Director of R&D* >> >> On Thu, May 17, 2018 at 1:26 PM, Michał Muskała <[email protected]> >> wrote: >> >>> On 17 May 2018, 13:13 +0200, José Valim <[email protected]>, wrote: >>> >>> Michał, I think the issue with your proposed approach is precedence. <+> >>> and <*> need to have different precedences and where should we put those >>> operators compared to all others? >>> >>> >>> >>> >>> That's a good point. What if we put them at the same level as the >>> regular operators? Would that work? >>> >>> Michał. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "elixir-lang-core" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/elixir-lang-core/e0d11c85-087c-4bba-9f5e-f8f8f40c3a07%40Spark >>> <https://groups.google.com/d/msgid/elixir-lang-core/e0d11c85-087c-4bba-9f5e-f8f8f40c3a07%40Spark?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/elixir-lang-core/f3fcbbbb-0f0f-40d8-8b8d- > 3b87107962ec%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/f3fcbbbb-0f0f-40d8-8b8d-3b87107962ec%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4JgR_BqOYAi1hPhGAC1yRaQV7MTxf1Exa%2BeAM0x%2BScNLw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
