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Stay up to date with the Go community in about 15 minutes per week
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Visit our homepage - cupogo.dev - for links to our Patreon, Swag Store, and more.Next week, on June 19th, we're doing a physical meetup! Join #amsterdam on the Gopher Slack to join up.🇩🇪 GopherCon Europe next week, June 17-20Can’t afford to attend online? Fill in this form: https://forms.gle/gcDGxnRJvjXbVPuZ6🎲 math/rand: make global seed a no-op📦 goreleaser v2 released📼 A few Go tools for production-level developer applications (Orca meetup Mar 2023)🎮 Why is Go not used for game development?GMTK Game Jam 2024 - Hosted by Game Maker's Toolkit🦾 gabyhelp - a new bot to help automate work in the Go issue tracker🧐 5 small tips I recently learned in Go
Go 1.22.4 & 1.21.11 releasedProposalsNew: safer file open functionsgithub.com/google/safeopen alternativeopenat man pageNew: allow range-over-func to omit iteration variablesBlog: Flaky Tests Overhaul at UberBlog: Redpanda acquires Benthos to expand its end-to-end streaming data platformInterview with Ashley JeffsTwitterLinkedInGitHubAnnouncement discussion on Hacker NewsRedpanda Connect project pagePrevious Benthos interview in Episode 27Redneck language in RedHat, cerca 1998
Go 1.22.4 & 1.21.11 coming Tuesday, June 4Community eventsGolang Atlanta meetup, June 13Cup o' Go Meetup in Amsterdam, June 19Golang Tilburg meetup, June 20Proposal accepted and implemented: new iterator functions in maps package coming in 1.23Reddit: What software shouldn't you write in Go?Blog: Blazingly Fast Shadow Stacks for Go by Felix GeisendörfBlog: Abusing Go's infrastructure by Pedro VilaçaAd breakEpisode 15, interview with Adelina Simion about her book, Test-Driven Development in GoInterview with Riccardo PinosioHugging Facehugot on GitHubONNXKnights Analytics
ProposalsAccepted: require Linux 3.17 kernel for Go 1.24Previous discussion: Episode 61Accepted: add encoding.AppendText and encoding.AppendBinaryPrevious discussion: Episode 62Accepted: add HostLayout directive type🪟 Accepted: Normalize line endings in example output comparisonsConference updates🇮🇱 GopherCon Isreael CFP open until June 30🔒 gosec v2.20.0 releasedIncluded in golangci-lint v1.58.2See also: govulncheckOpen issue: lock down future uses of linknameRelated blog post: Accessing Private Functions, Methods, Types and Variables in Go by Yarden LaifenfeldThanks to Miki for filling in!His new book, Effective Go Recipes
Upcoming conferences🇯🇵 June 8: Go Conference 2024 @ Tokyo, Japan🇩🇪 June 17-20: GopherCon EU @ Berlin, Germany🇳🇱 June 19-21: DevOps Days @ Amsterdam, Netherlands🇷🇺 June 24-25: Golang Conf 2024 @ St. Petersburg, RussiaProposals👍 Accepted: go telemetry subcommandPrevious discussion on Episode 62⛔ Declined: Notify of new major dependency versionsPrevious discussion on Episode 62🆕 New: Make math/rand.Seed a no-opThe unique package has been implemented✅ Previous discussion on Episode 33Around the community🤔 Reddit: Is it idiomatic to create a constructor that returns an interface?GitHub CLI 2.49.1 includes contribution from Shay
Go 1.22.3 & 1.22.10 releasedProposalsAccepted: add binary.Append functionLikely accept: new `go telemetry` subcommandLikely decline: Notify about new major versions of dependenciesPackt book bundleInterview with Jamie TannaBlog: Creating a more sustainable model for `oapi-codegen` in the futureBlog: oapi-codegen is moving to its own orgon GitHub: github.com/deepmap/oapi-codegen
Consider supporting the show by joining our Patreon!🆕 ReleasesGo 1.22.3 & 1.21.10 coming Tuesday🪇 ConferencesGopherCon Brazil, May 9 & 10GopherDay Taiwan, May 25🤹 Secure RandomnessBlog: Evolving the Go Standard Library with math/rand/v2Blog: Secure Randomness in Go 1.22 by Russ Coxnew proposal: Require Linux kernel 3.17 for Go 1.24🧑🔬 Interview with Bartek Nowotarski about Go vulnerability researchBlogHackerOneTwitterHTTP/2 RFC9133Luck
Proposals🍪 Accepted: support partitioned cookiesArticle: Prepare for thrid-party cookie restrictionsNew: add reflect.AssertToDeclined: builtin is[T any](any) boolMeetups & Conferences🇨🇿 Prague Go Meetup, April 23🇳🇱 Rotterdam Go Meetup, April 23🌐 Conf42 Golang, April 25, Online🇬🇧 GopherCon UK CFP closes May 17🇮🇹 GoLab CFP closes May 6Blog: Welcome to the Microsoft for Go Developers BlogBlog: Go performance from version 1.0 to 1.22 by Ben HoytInterview with Paul JollyCUE web siteTwitterLinkedIn
For more info, transcripts, and all the links, visit https://cupogo.dev.🗳️ 2024 Go Developer SurveyHugot, Huggingface pipelines for GoWhy is NPS bad? A blogpost by Jonathan🍕 Meetups🇺🇸 Denver 🇺🇸 Atlanta🇳🇱 Amsterdam🇮🇱 Israel🧙 An interview with Bill KennedyTwitter https://twitter.com/goinggodotnetLinkedIn https://www.linkedin.com/in/william-kennedy-5b318778/Ardan Labs https://www.ardanlabs.com/instructors/bill-kennedy/Hanna HatsThis show is supported by you! If you feel so inclined, please become a member of our Patreon: https://www.patreon.com/user?u=52571196
Go 1.22.2 & 1.21.9 releasedBlog: HTTP/2 CONTINUATION Flood by Bartek NowotarskiBlog: HTTP/2 CONTINUATION Flood: Technical Details by Bartek Nowotarski🗣️ Conferences & CFPsOfficial Go "Wiki" conferences list🏴 Go West, October TBD @ Lehi, UtahCFP🌐 Conf42 Golang, April 24 @ Online🇧🇷 GopherCon Brazil, May 9-10 @ Florianópolis, SCAround the community🤐 Blog: Prevent sensitive data from leaking by Willem SchotsReddit discussion: If you could redesign Go from scratch, what would you change?Ad break:Software you can love conference: https://sycl.it/
Proposals(re)accepted: add slices.Repeat functionaccepted: report use of too-new standard library symbols with go vetFrom around the communityBlog: Context-induced performance bottleneck in Go by Gabriel AugendreNew community Q&A site: godev.com, powerd by Apache AnswerBlog: Go Enums Still Suck by Steven McCutcheonOn Reddit
🇮🇹 GoLab 2024 coming up Nov 11-13 in Florence ItallyCFP open through May 1Proposals🚫 Declined: time.Parse: letter-based formats🚫 Declined: support int(bool) conversions🗨️ Active: add builtin function is[T any](any) bool🚫 Declined: range over nil function should panicWork with Jonathan HallInterview with xiaq🧝 Elvish web sitezsh user manual
🇬🇧 Manchester Go Meetup, April 3Proposals🕛 Declined: time: add "1136214245" as layout string for unix timestamp💪 Active: promote windows/arm64 to first class portGo Blog: More powerful Go execution tracesDesign document: Execution tracer overhaulNeovim plugin for gopls documentation linksOn Reddit👸 Interview with quobixPersonal sitePrincess B33f Heavy Industrieslibopenapiopenapi-changeswiretapvacuumJSON CrackOn YouTubeAPI Days conference
🛡️ Security releases. Upgrade now!Go 1.22.1 & 1.21.8google.golang.org/protobuf v1.33.0👭 Happy International Women's Day!Upcoming meetups & events🇬🇧 London Gophers, March 20🇮🇱 Go Israel, March 12🇬🇧 GopherCon UKConference, August 14-16CFP is open!Accepted proposals: Migrate x/crypto packages into the standard libraryAround the communityGo enums suck (hackernews discussion)Reddit: Why does Go have so many traps?Blog: for Loop Semantic Changes in Go 1.22: Be Aware of the ImpactInterview with Filippo ValsordaPersonal web site: https://filippo.io/cryptopals.com challengesStanford Cryptography course on courseraRecurse CenterRead/sign up for Filippo's newsletter/blogThe blog post that started it all: I'm now a full-time professional open source maintainer
🛡️ Security updates coming on TuesdayGo 1.22.1 & 1.21.8google.golang.org/protobuf and github.com/google/protobuf🧀 Open proposal: use SwissTable to improve hash map performanceRelated releasesGopherJS 1.19 beta1 with Go 1.19 support (w/o generics)TinyGo 0.31.0 with Go 1.22 supportAround the communityUpcoming Go Isreal Meetup, March 12 @ OrcaGopherVerse, AI-Gopher generator from Creative Fabrica🔭 GopherWatch, keep tabs on Go modulesCreated by Mechiel Lukkien, interviewed in episode 3Go Blog: Robust generic functions on slices by Valentin DeleplaceReddit: My experience with Go as a Python developer🎙️ glee🏄 Interview with Grant NelsonGopherJS on GitHubWorkivaGrant on GitHub
Meet the hostsMeet Shay: 🇮🇱 Go Israel Meetup, March 12 @ OrcaMeet Jonathan: 🇳🇱 Go Amsterdam Meetup, Feb 27 @ Creative FabricaProposalsDeclined: 🤐 archive/zip: support for encrypted archivesAccepted: 🔁 iter: new package for iteratorsAccepted: 🗺️ maps: add iterator-related functionsLikely accept: 🍕 slices: add iterator-related functionsLikely accept: bytes, strings: add iterator forms of existing functionsBlog post: Questioning Go's range-over-func Proposal by Richard Ulmergo generate considered unsafe?
Proposals:new: add slices.Repeat functionaccepted: deprecate runtime.GOROOTFrom the Go blog: Routing Enhancements for Go 1.22How I write HTTP services in Go after 13 years by Mat RyerWeaveworks shutting downOn Reddit: Go 1.22 yielding a 18% regression in single-threading performanceOn YouTube: Why I Use Golang in 2024 by ThePrimeTimeInterview with Daniel MartíProjectsgofumptCUEshSocialGitHubBluesky
New releases♬ Go 1.21.7 and 1.20.14 released🧹 golangci-lint 1.56.1 released, including support for `--show-stats` and John's bugfixConferences and Meetups🇮🇱 Go Israel March 2024 hosted by Orca SecurityGo 1.22 Feature RundownOfficial announcement, release notes, and download linkCool interactive release notes by Anton ZhiyanovThe Loopvar bug has been fixedRange over int is now supported with range over func iterators in experimental modeNew math/rand package, the first v2 to land in stdlibNew HTTP routing, with support for methods and wildcardsMuch to Shay's chagrin, Accepted: net/http: allow multiple spaces between method and path in mux patternsNew Slices package, including a great blog post about the Concat func from Carlana JohnsonBetter look for "trace" tool's web UIAd breakPatreon
Happy 1st anniversary to Cup o' Go! 🥳Proposalsgo build -json acceptedallow append(nil, arg) declined (playground link), because of existing alternativego vet: warn about recover in non-deferred function declined, because of lack of dataallow multiple spaces between method and path in mux: new proposalReleasesgofumpt 0.6.0go-elasticsearch v8.12.0 with OT supportCommunityByteByteGo's "How Disney Hotstar Captures One Billion Emojis!" (Medium article alternative)Ad breakPatreonGitting Things Done by Omer RosenbaumThis show is supported by you! Consider joining as a Patreon member to support the show.
Preview for the Cup o' Go podcast - keep up to date with the Go (golang) community in 15 minutes per week, with Jonathan Hall and Shay Nehmad!
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"Depend on abstraction, pass realization" is letter "D" in SOLID principles - dependency inversion principle. You should know what it means, don't you? )
There is no point in creating the interface in tests since all the places you are going to pass data will accept your struct.