[go-nuts] Re: golang splitting string by space but considering quoted section as a single part

// SplitString split string with a rune comma ignore quoted func SplitString(str string, r rune) []string { quoted := false return strings.FieldsFunc(str, func(r1 rune) bool { if r1 == '\'' { quoted = !quoted } return !quoted && r1 == r }) } // TestSpitString test case func TestSpitString(t *testin

[go-nuts] Re: Maybe a Bug? The Go compiler stores a stack pointer into a global object

I notice that Go1.17.7 still allocates the array on heap by calling newobject while Go1.18 allocates the array on stack. I also notice that in the release note of Go1.18 that "The garbage collector now includes non-heap sources of garbage collector work". Does the GC in 1.18 and following versi

Re: [go-nuts] Re: 'go run hello.go' taking ~30 seconds on windows

Like to note that if you mean Windows Defender, there is no way to disable that after Build 20H2 iirc where I was task to deploy Windows 10 and could not find the option in Windows Group Policy settings after the update, if Go app are affected by Windows Defender. Your only option is to use olde

[go-nuts] How to collect information in each package’s source code directory when building a project

I'm trying to collect information dumped in each package's source code directory when building a project. I have tried to ask in How to collect information in each package's source code directory when building a project - Getting Help - Go Forum (golangbridge.org)

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

; rm -r $WORK/b001/ > ``` > > The modified part of script is using llvm-goc `-c` option to compile > `utils.go, main.go` to object files with option `-emit-llvm` added for > llvm-link's final linking of all object files. > > After I get `$WORK/b001/_go_.o`, I us

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

c `-c` option to compile > `utils.go, main.go` to object files with option `-emit-llvm` added for > llvm-link's final linking of all object files. > > After I get `$WORK/b001/_go_.o`, I use llvm-link to link all _go_.o to get > a whole program llvm IR. But errors occur when

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

' ``` I succeeded to generate a whole program llvm IR last weekend, but I forgot what I did to get it. The key point might not be the soft link. What can I do? 在2022年10月28日星期五 UTC+8 14:17:46 写道： > Thanks. What I meant was that you showed us the errors from the generated >

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

962446f5337585f526e576b335a45 /data/mygo/gollvm_workarea/install/tools/buildid -w $WORK/b001/exe/a.out # internal cp $WORK/b001/exe/a.out easyPkg rm -r $WORK/b001/ ``` 在2022年10月28日星期五 UTC+8 14:17:46 写道： > Thanks. What I meant was that you showed us the errors from the generated > sh

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

r supports that option. The > errors about -fgo-importcfg and -ffile-prefix-map can be ignored. > > Not sure what is happening elsewhere, though. You showed the output > but not the commands. > > Ian > > > > > On Thu, Oct 27, 2022 at 12:05 PM 'Qing

Re: [go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

ion '-fgo-importcfg=/dev/null' > > The Go command only passes this option to the compiler if it thinks that > the compiler is the main go compiler ("gc") as opposed to gollvm. What > output do you get when you run "go version" ? > > Thanks, Tha

[go-nuts] GoLLVM: using the result of `go build -x . ` to rebuild the program got failed

the GoLLVM is based on LLVM 15.0.0 Example to reproduce: The structure of project is as follows: ``` easyPkg/ ├── go.mod ├── main.go └── Pkg └── utils.go ``` main.go ``` package main import "easyPkg/Pkg" func main() { Pkg.PkgFunc() } ``` utils.go ``` package Pkg func PkgFunc() {

[go-nuts] Why traversing Go hashmap so slower then C++ hashmap

*System env:* $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:Ubuntu 18.04.6 LTS Release:18.04 Codename: bionic $ go version go version go1.18.3 linux/amd64 $ g++ -v gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) *Test traversing Go hashmap:*

[go-nuts] Why Go has only slice and map

Hi group, Why Go provides only 2 built-in data structures, slice and map. It has just more than C, but less than all other programming languages I've heard of, C++, Python, Swift, Rust.  I think this simplicity attracts me very much. Sometimes I can use only one data structures for a task. B

Re: [go-nuts] float exactness

Thanks Robert, It is great! a, _ := decimal.NewFromString("0.1") b, _ := decimal.NewFromString("0.2") c := a.Add(b) fmt.Println("decimal:", c) a = decimal.NewFromFloat(0.1) b = decimal.NewFromFloat(0.2) c = a.Add(b) fmt.Println("

[go-nuts] float exactness

Hi group, 1.  Is there a package can do exact float operations, like Decimal in Python? For example: x := 0.1; y := 0.2; z := x + y; z will be exact 0.3 2. Why literal operation is exact, variable is not? fmt.Println(0.1 + 0.2) // 0.3 exactly fmt.Println(x + y) // 0.30004

Re:[go-nuts] Re: MaxDiskSize MaxLogCount for glog?

Is it still maintained? The last commit is Aug 20, 2021 which is more than half year ago. The last commit of glog in C++ is just 5 days ago. -- Original -- From: "peterGo"https://github.com/golang/glog#glog   "The code in this repo is for export only and i

Re: [go-nuts] Missing /usr/lib/go/pkg/include/ for native binaries

Yes, I download the latest go 1.18 installer for macOS from golang.google.cn. There's no problem with the installer from the official site. -- Original -- From: "Ian Lance Taylor"http://deb.debian.org/debian bullseye-backports/main amd64 Packages >  *** 1.17.6-1

[go-nuts] MaxDiskSize MaxLogCount for glog?

Hi group, I only find MaxSize in glog which sets the size of each log file.  Can glog support the options like how many disk size (ie. 10%, 1.8G, etc.) all the log files may use in total, and the count (ie. 10) of log files it can save. For example, logfile1.txt, logfile2.txt, ..., logfile10.

Re:[go-nuts] Re: How go.work knows which module refers to which folder

e' directive does not add modules contained in subdirectories of its argument directory. Those modules may be added by the directory containing their go.mod file in separate 'use' directives. Hope that helps, and sorry if that does not address your question. Regards, thepudds On Wedn

[go-nuts] How go.work knows which module refers to which folder

Hi group, In the go.mod replace way, there’s a one-to-one mapping relationship, for example, the module example.com/hello is mapped to folder …/hello ``` $ go mod edit -replace example.com/hello=../hello $ view go.mod replace example.com/hello => ../hello  $ ``` Now with the go.work way. If

[go-nuts] Handle 1 million concurrent connections with 50 lines Go code

Hi group, I am going through this page: https://studygolang.com/articles/22820 , It claims that the 50 lines of Go code handles 1 million concurrent connections from network clients, on 1 single server machine with a 4-Core CPU and 16G memory. Does the package net already utilize IO Multiple

[go-nuts] DataRace with slice, should i fix it or ignore it?

I want to set a value with the index of the slice. I don't really care if there are multiple goroutines cover the value with each other, because the value is same. Can i just ignore this DataRace Warning? I don't know if this will cause panic. *Here's my example:* I defined a structure with sl

[go-nuts] About the confusion caused by type conversion in golang

Some doubts about type conversion in go. In the following code, why can it be executed normally after passing the variable? The code is an error during the compilation phase. // The following two lines of code can be executed normally x := uint64(256) fmt.Println(byte(uint64(x))) // norma

Re: [go-nuts] Better generator support

You can use a closure as a generator: package main import "fmt" func getPositiveOdds( numbers []int, ) ( iter func() (int, bool), ) { iter = func() (ret int, ok bool) { for len(numbers) > 0 { if numbers[0] > 0 && numbers[0]&1 == 1 { ret = numbers[

Re: [go-nuts] Does module name has to start with a valid domain name?

I see. Makes sense. Thanks, Shizheng On Mon, Aug 5, 2019 at 7:04 PM Ian Lance Taylor wrote: > On Mon, Aug 5, 2019 at 12:33 PM wrote: > > > > We are using bazel to manage dependency and would like to migrate to > modules and use JFrog's module proxy. We have many private modules, starts > with

[go-nuts] Re: Proposal: try function constructor

Here's another demo that annotate errors with custom type. package main import ( "fmt" "io" "os" ) type Err struct { Codestring Message string Cause error } var _ error = Err{} func (e Err) Error() string { return fmt.Sprintf("[%s] %s: %s", e.Code, e.Message, e.Cause.Error()) } // wrapE

[go-nuts] Proposal: try function constructor

I propose a addition to current try proposal to enable optional error wrapping. demo codes: package main import ( "fmt" "io" "os" ) // wrapErr is an error wrapping function func wrapErr(err error, format string, args ...interface{}) error { return fmt.Errorf( "%s: %s", fmt.Sprintf(format, args

Re: [go-nuts] Does Golang need the innovation of C++ move semantics too

From: Ian Lance Taylor Sent: Saturday, May 26, 2018 2:56 PM Subject: Re: [go-nuts] Does Golang need the innovation of C++ move semantics too To: Li Jianhua Cc: On Fri, May 25, 2018 at 8:15 PM, Li Jianhua wrote: > > Why does C++ introduce move semantics anyway? What problems is it go

[go-nuts] Does Golang need the innovation of C++ move semantics too

1. Why does C++ introduce move semantics anyway? What problems is it going to solve? 2. How come Golang, C (Without ++) don’t have that move semantics yet? Will they need the move soon? -- You received this message because you are subscribed to the Google Groups "golang-nuts" group.

[go-nuts] 1: json: cannot unmarshal array into Go value of type main.Catcher or 2: json: cannot unmarshal object into Go value of type main.Crypto4

Hi ! I was searching relevant posts regarding error "json: cannot unmarshal array into Go value of type main.Catcher" or "json: cannot unmarshal object into Go value of type main.Crypto4". These two error messages are linked to the same program (depends on when I change structure). Actually I

[go-nuts] Subject_Alt_name in x509.Certificate

Currently it only supports DNSNames, EmailAddresses, and IPAddresses, is there any plan to support URI as well? Thanks Tao -- 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

[go-nuts] Re: Why dont the Marshal & Unmarshal use same amount of arguments and return values

i meant the json library > On 23 Feb 2017, at 20:42, Jianhua Li wrote: > > func Marshal(v interface{}) ([]byte, error) > func Unmarshal(data []byte, v interface{}) error > > Why dont the Marshal & Unmarshal use same amount of arguments, and same > amount of return

[go-nuts] Why dont the Marshal & Unmarshal use same amount of arguments and return values

func Marshal(v interface{}) ([]byte, error) func Unmarshal(data []byte, v interface{}) error Why dont the Marshal & Unmarshal use same amount of arguments, and same amount of return values like one of these. //1. func Marshal(data[]byte, v interface{}) (error) func Unmarshal(data []byte, v inter

[go-nuts] Suggestions to hide plaintext password in net/smtp

Hi I am new to Go and I have a go program to send email similar to https://golang.org/pkg/net/smtp/#example_SendMail below: func main() { // Set up authentication information. auth := smtp.PlainAuth("", "u...@example.com", "password", "example.com") // </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04921.html">Re: [go-nuts] infinite loop makes program stuck</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161012&amp;o=newest">2016-10-12</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+infinite+loop+makes+program+stuck%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Minglangjun+Li%22&amp;o=newest">Minglangjun <B>Li</B></a></span> </div> <blockquote><span class="msgFragment"> On Wed, Oct 12, 2016 at 11:53 AM, Jesse McNelis wrote: > If you have multiple CPUs (and the Go memory model assumes that you > always can) they won't even write updated values from their cache out > to main memory until they hit a lock. > The reading CPU has read a value from main memory and put </span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04683.html">Re: [go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161004&amp;o=newest">2016-10-04</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment"> done only once -- in the `NewC()` } Then when we call B&#x27;s function, they will pass the SwigcptrB to the C++ functions -- which is correct. 在 2016年10月4日星期二 UTC+8下午10:22:34，Ian Lance Taylor写道： &gt; &gt; On Tue, Oct 4, 2016 at 7:07 AM, Shengqiu Li &gt; wrote: &gt; &gt; I have made a prelim</span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04680.html">Re: [go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161004&amp;o=newest">2016-10-04</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment">月4日星期二 UTC+8下午10:22:34，Ian Lance Taylor写道： &gt; &gt; On Tue, Oct 4, 2016 at 7:07 AM, Shengqiu Li &gt; wrote: &gt; &gt; I have made a preliminary demo using the anonymous field feature &gt; &gt; github.com/dontpanic92/swig &gt; &gt; This is written in a way that I find hard to understand--I can&#x</span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04676.html">Re: [go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161004&amp;o=newest">2016-10-04</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment">test(b) } It will print A::m1 B::m2 在 2016年10月4日星期二 UTC+8下午9:47:11，Ian Lance Taylor写道： &gt; &gt; On Tue, Oct 4, 2016 at 6:33 AM, Shengqiu Li &gt; wrote: &gt; &gt; Thanks for your reply. In my view, the difference seems not affect the &gt; &gt; behavior. As we store the pointer of t</span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04675.html">Re: [go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161004&amp;o=newest">2016-10-04</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment">s say that A.m2 will call test_A_m2, the polymorphism on C++ side is still available. If we passed a pointer of an A object to test_A_m2, it will call A::m2; if we passed a pointer of B object to test_A_m2, it will call B::m2. 在 2016年10月4日星期二 UTC+8下午9:47:11，Ian Lance Taylor写道： &gt; &gt; On Tue, Oct </span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04671.html">Re: [go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161004&amp;o=newest">2016-10-04</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment"> `B::test`. It will be the same as call `b.Test` in Go. 在 2016年10月4日星期二 UTC+8上午3:01:24，Ian Lance Taylor写道： &gt; &gt; On Sun, Oct 2, 2016 at 2:03 AM, Shengqiu Li &gt; wrote: &gt; &gt; &gt; &gt; I&#x27;m making a binding of a C++ library for go, and I&#x27;m wondering why the &gt; &gt; anonymous f</span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg04582.html">[go-nuts] SWIG and anonymous field inheritance</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20161002&amp;o=newest">2016-10-02</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+SWIG+and+anonymous+field+inheritance%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Shengqiu+Li%22&amp;o=newest">Shengqiu <B>Li</B></a></span> </div> <blockquote><span class="msgFragment"> Hi all, I'm making a binding of a C++ library for go, and I'm wondering why the anonymous field inheritance isn't used in the go wrapper code. I have found a piece of comment in the go backend of SWIG, saying: // For each method defined in a base class but not defined in > // this c</span> </blockquote><br> <h3><span class=subject><a href="/golang-nuts@googlegroups.com/msg01811.html">[go-nuts] Linux File descriptor question in golang</a></span></h3> <div class="darkgray font13"> <span class="sender pipe"> <span class=date><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=date:20160721&amp;o=newest">2016-07-21</a></span></span> <span class="sender pipe"> <span class=thead><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=subject:%22%5C%5Bgo%5C-nuts%5C%5D+Linux+File+descriptor+question+in+golang%22&amp;o=newest">Thread</a></span></span> <span class=name><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from:%22Homer+Li%22&amp;o=newest">Homer <B>Li</B></a></span> </div> <blockquote><span class="msgFragment"> Could I get file path from the file descriptor number ? OS : Linux How to write in golang ? Thanks. -- Best Regards Homer Li -- You received this message because you are subscribed to the Google Groups &quot;golang-nuts&quot; group. To unsubscribe from this group and stop receiving emai</span> </blockquote><br> <h2></h2> </div> <div class="aside" role="complementary"> <div class="logo"> <a href="/"><img src="/logo.png" width=247 height=88 alt="The Mail Archive"></a> </div> <h2>42 matches</h2> <br> <ul><li><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from%3A%22Li%22&amp;a=1&amp;o=newest">Advanced search</a></li></ul> <form class="overflow" action="/search" method="get"> <input type="hidden" name="l" value="golang-nuts@googlegroups.com"> <label class="hidden" for="q">Search the list</label> <input class="submittext" type="text" id="q" name="q" placeholder="Search golang-nuts" value="from:&quot;Li&quot;"> <input class="submitbutton" id="submit" type="image" src="/submit.png" alt="Submit"> </form> <div class="nav margintop" id="nav" role="navigation"> <h2 class="hidden"> Site Navigation </h2> <ul class="icons font16"> <li class="icons-home"><a href="/">The Mail Archive home</a></li> <li class="icons-list"> <a href="/golang-nuts@googlegroups.com" title="c" id="c">golang-nuts - all messages</a></li> <li class="icons-about"> <a href="/golang-nuts@googlegroups.com/info.html">golang-nuts - about the list</a></li> <li class="icons-expand"><a href="/search?l=golang-nuts%40googlegroups.com&amp;q=from%3A%22Li%22&amp;o=newest&amp;f=1" title="e" id="e">Expand</a></li> </ul> </div> <div class="listlogo margintopdouble"> <h2 class="hidden"> Mail list logo </h2> </div> </div> <div class="footer" role="contentinfo"> <h2 class="hidden"> Footer information </h2> <ul> <li><a href="/">The Mail Archive home</a></li> <li><a href="/faq.html#newlist">Add your mailing list</a></li> <li><a href="/faq.html">FAQ</a></li> <li><a href="/faq.html#support">Support</a></li> <li><a href="/faq.html#privacy">Privacy</a></li> </ul> </div> <script language="javascript" type="text/javascript"> document.onkeydown = NavigateThrough; function NavigateThrough (event) { if (!document.getElementById) return; if (window.event) event = window.event; if (event.target.tagName == 'INPUT') return; if (event.ctrlKey || event.metaKey) return; var link = null; switch (event.keyCode ? event.keyCode : event.which ? event.which : null) { case 69: link = document.getElementById ('e'); break; } if (link && link.href) document.location = link.href; } </script> </body> </html>