Generics are not the most important part of the language/code. Let's not make them stick out like a sore thumb. On Thursday, 16 July 2020 at 22:12:17 UTC+2 jpap wrote:
> On Thursday, 16 July 2020 at 12:51:03 UTC-7 Ian Lance Taylor wrote: > >> On Thu, Jul 16, 2020 at 12:41 PM joshua harr <joshu...@gmail.com> wrote: >> > Just a note on your rationale for why not to use <: :> : >> > "... requires more typing." Golang has, rather famously, never shied >> away from making developers type more. The reason it hasn't, as far as I >> understand, is that code is read far often than it is written, and so the >> extra verbosity is worth the ease in reading the code. IMHO, that principle >> very much applies here. The *readability* of the syntax should be a far >> more important consideration than whether there is an extra character in >> the syntax. >> >> That's a fair point. Having two characters is still in my mind a >> disadvantage, but I agree that that disadvantage could be outweighed >> by a gain in readability. >> >> That said, personally I don't find <:T:> to be any more (or less) >> readable than [T]. >> >> Ian >> > > I agree that readability should be a big consideration. > > The problem with [T] is that you need to actively read the surrounding > code to discern between a possible array access or type parameter. I would > prefer it to be immediately obvious so that visually scanning through code > is as fast and clear as can be. > > An alternative syntax to [T] that could enable "quick looks" is [[T]]. It > would be nice to use <<T>>, but that has parsing ambiguities with the > existing bit-shift operator, just as <T> is ambiguous with the comparison > operator. > > The burden of typing the same character twice on a keyboard in quick > succession for [[T]] is more or less the same as the single-character > version [T] and less so than two-character delimiters like <: and :>, and > especially those delimiters that require the shift-key in play at the same > time. > > jpap > > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/8f7562b2-0262-4c3b-8659-d86bc7bba0dan%40googlegroups.com.
