Re: [go-nuts] Tool showing all assignemnts to the blank identifier
golangci-lint has :
dogsled:
# checks assignments with too many blank identifiers; default is 2
max-blank-identifiers: 0
On Monday, November 28, 2022 at 1:50:21 PM UTC+1 Jan Mercl wrote:
> On Mon, Nov 28, 2022 at 1:44 PM Wojciech Muła wrote:
>
> > Is there any tool that would point out places with
> > an assignment to the blank identifier?
> >
> > I'd like to spot possible refactoring/debug leftovers,
> > like `_ := func() {}` or unused imports.
> >
> > I went through the staticcheck list of checks, but
> > didn't find anything similar.
>
> $ grep -n '\b_\b :\?= ' *.go
>
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Re: [go-nuts] Underscore symbol
When I explain it during my training I always say it is a trashcan variable, anything you put in is to be ignored on the spot. On Friday, November 4, 2022 at 10:10:20 PM UTC+1 Konstantin Khomoutov wrote: > On Fri, Nov 04, 2022 at 04:58:35AM -0700, Canuto wrote: > > > I'm just starting out with go ... > > I have searched for lights on this string but without success. > > What does this sign mean " _, err " , what the underscore symbol means > here? > > If you're starting with Go, please start with the Go Tour [1]. > For instance, the use of this underscore sign is covered in [2]. > > 1. https://go.dev/tour/ > 2. https://go.dev/tour/moretypes/17 > > -- 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/6c745c54-b212-4bb6-8e40-00273e6ee2fan%40googlegroups.com.
Re: [go-nuts] godoc and generic code
Perhaps update godoc: go install golang.org/x/tools/cmd/godoc@latest On Friday, November 4, 2022 at 7:18:28 AM UTC+1 tapi...@gmail.com wrote: > You may also try Golds: https://github.com/go101/golds. > Still not perfect in handling custom generic things, > but it is generally usable. > > On Friday, November 4, 2022 at 1:26:26 AM UTC+8 Hotei wrote: > >> Thanks for the very helpful replies. < go doc -all pkg > should meets my >> needs for printed documentation. I guess I will have to weigh the >> convenience of navigating which the godoc html version provides vs the >> inconvenience of "instantiating" the methods required by the types [T] I >> use in this project. The pkgsite option doesn't seem workable in my case >> for the reasons eloquently described by one of the posters to issue 49212. >> At any rate, problem solved and thanks again to the golang-nuts group for >> the assistance! >> >> On Thursday, November 3, 2022 at 9:32:09 AM UTC-4 Sebastien Binet wrote: >> >>> On Thu Nov 3, 2022 at 14:02 CET, Jan Mercl wrote: >>> > On Thu, Nov 3, 2022 at 12:49 PM Hotei wrote: >>> > >>> > > I added some generic code to a project and godoc doesn't seem to >>> like that and stops working when it sees the generics. It's a 4 year old >>> version of godoc so that's perhaps not a surprise. What is a surprise is >>> that godoc isn't shipped with go any longer. Is there a version that >>> handles generics and if so where can I find it? A quick search of github >>> came up empty but I know things have been moved around so some hints would >>> be much appreciated. >>> > >>> > I'm not in favor of the fact, but It's been deprecated a year ago: >>> > https://github.com/golang/go/issues/49212 >>> >>> one can use godocs.io for a maintained "godoc-like" binary: >>> >>> - https://godocs.io/go-hep.org/x/hep/sliceop >>> - https://sr.ht/~sircmpwn/godocs.io/ >>> >>> (otherwise, 'go doc' does support "generics") >>> >>> hth, >>> -s >>> >> -- 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/d407dd97-993f-4511-a373-802c55e4fc70n%40googlegroups.com.
[go-nuts] Re: go:embed question
I find this question a bit hard to understand. I think it has to do with go run and then a URL, which can't be done. Can you rephrase it? On Wednesday, October 12, 2022 at 9:37:17 AM UTC+2 esi...@gmail.com wrote: > I know that //go:embed directive reads the content of the embedable file > at compile time. Now if that's the case I wondering if you are running a Go > executable with "go run" at the same time while you are downloading like go > run github.com/user/projectname@latest (which should embed an external > file) why the file is not embedded? > > Normally if the file you want to embed does not exits, the compiler will > throw you an error telling that "no matching files found". Why is not the > case when you are running without a prior download? > > I'm asking this because if I'm running the application normally the file > is getting embedded correctly, but if I'm trying to build it on-the-fly > with go run this is not happening? > -- 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/760b8eb4-2644-4be0-a4f8-fb1288e3492en%40googlegroups.com.
Re: [go-nuts] Zero-sized data type
What is the usage of that zero-sized data type? Can you give an example
where that Inner field has any usage?
On Wednesday, October 12, 2022 at 7:27:14 PM UTC+2
axel.wa...@googlemail.com wrote:
> You can re-order the fields to get the desired effect:
> https://go.dev/play/p/E1KTqVp0i-v
>
> On Wed, Oct 12, 2022 at 6:01 PM Richiise Nugraha
> wrote:
>
>> Hi, I am looking for zero-sized data type, something like Flexible Array
>> Member.
>> The size of `struct {}` is indeed zero, but for what reason when it's
>> inside a struct with another member say (
>> https://go.dev/play/p/DpydJIke7dS):
>>
>> type C struct {
>> Pre uint64
>> Inner struct{}
>> }
>>
>> That struct sized for 16, while the sum of all member sizes is only 8,
>> it's like there's hidden padding/align.
>>
>> Thanks!
>> Nugraha
>>
>> --
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>>
>>
>> .
>>
>
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