From: matthew@... Date: 2018-02-06T13:15:10+00:00 Subject: [ruby-core:85445] [CommonRuby Feature#13581] Syntax sugar for method reference Issue #13581 has been updated by phluid61 (Matthew Kerwin). sevos (Artur Roszczyk) wrote: > phluid61 (Matthew Kerwin) wrote: > > sevos (Artur Roszczyk) wrote: > > > > > > What are your thoughts? > > > > I have two: > > > > 1. As always: do we really need more magic symbols? I like reading Ruby because it's *not* Perl. > > I totally agree, but we still like -> {} syntax for lambdas, right? Let's play with ideas, maybe we can find something nice for a method selector, too ;) > Personally I hate it, and never use it. I like my code to say `lambda` when I make a Lambda, and (more often) `proc` when I make a Proc. > > > > 2. If you're adding new syntax, you don't have to be clever. Symbol has `:"#{x}"` so why not propose `y:::"#{x}"`? Not that it adds much over `y.method(x)` > > You're totally right! I was looking at triple-colon as an operator taking two arguments. Your idea of looking at this as a double-colon lookup operator is actually great, [...] > Actually I was just suggesting a simple token, like `obj:::foo` or `obj.:foo`; if you really want to accept variable method names why not `obj:::"#{x}"` or `obj.:"#{x}"`? Although I doubt I'd ever use it. (Personally I find the idea of partially applied methods more useful.) Cheers ---------------------------------------- Feature #13581: Syntax sugar for method reference https://bugs.ruby-lang.org/issues/13581#change-70228 * Author: americodls (Americo Duarte) * Status: Open * Priority: Normal * Assignee: * Target version: ---------------------------------------- Some another programming languages (even Java, in version 8) has a cool way to refer a method as a reference. I wrote some examples here: https://gist.github.com/americodls/20981b2864d166eee8d231904303f24b I miss this thing in ruby. I would thinking if is possible some like this: ~~~ roots = [1, 4, 9].map &Math.method(:sqrt) ~~~ Could be like this: ~~~ roots = [1, 4, 9].map Math->method ~~~ What do you guys thinking about it? -- https://bugs.ruby-lang.org/ Unsubscribe: