golang/go on Hacker News — Hacker GitHub

This should be automatic these days (for the basic scenarios). https://github.com/golang/go/blob/a1a151496503cafa5e4c672e0e...

comment by yencabulator · 2025-05-21 · in Understanding the Go Scheduler

Relevant proposal to make GOMAXPROCS cgroup-aware: https://github.com/golang/go/issues/73193

comment by xyzzy_plugh · 2025-05-21 · in Understanding the Go Scheduler

…bump into conversations in the golang community in the same vein just don't bother to save them: https://github.com/golang/go/issues/29461

comment by rester324 · 2025-05-20 · in Too Much Go Misdirection

Go's source code (comment actually) says it all tbh: https://github.com/golang/go/blob/master/src/io/io.go#L55 (very much) tldr: anything that implements `Read(p []byte) (n int, err error)` - is a Reader.

comment by konart · 2025-05-19 · in Too Much Go Misdirection

I am once again begging for this to be implemented: https://github.com/golang/go/issues/4146

comment by nulld3v · 2025-05-19 · in Too Much Go Misdirection

▲ 2

Green Tea Garbage Collector

story by typical182 · 2025-05-15 · 0 comments

▲ 2

Proposal: Net/HTTP: Add CrossOriginForgeryHandler

story by todsacerdoti · 2025-05-12 · 0 comments

…think the "implementation quality" is a far bigger determinant in explaining the current gap. [1]: https://github.com/golang/go/issues/11646 [2]: https://github.com/matloob/regexp

comment by burntsushi · 2025-05-10 · in Rust’s dependencies are starting to worry me

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Proposal: Add bare metal support to Go

story by rbanffy · 2025-05-07 · 20 comments

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Green Tea: an experimental, memory-aware garbage collector for Go

story by pdubroy · 2025-05-05 · 0 comments

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Runtime: Green tea garbage collector (Go)

story by raggi · 2025-05-03 · 0 comments

▲ 6

Go 'green tea' garbage collector

story by asb · 2025-05-02 · 0 comments

…as you noted it's a cache miss for this which causes the long application launch delay. [1] https://github.com/golang/go/issues/42684 has a bit more info on this, I'm happy to see that even seasoned experts are confused about these things.

comment by krackers · 2025-05-01 · in Mac app launches slowed by malware scan (2024)

…designers don't get it. The entire point is to reduce the amount of typing and visual noise. [1]: https://github.com/golang/go/issues/57616#issuecomment-14509... [2]: https://github.com/golang/go/issues/34174#issuecomment-14509... [3]:…

comment by Mawr · 2025-04-12 · in PEP 750 – Template Strings

…the aliased operations on the line(s) before, then reference the final values. E.G. Adapting https://github.com/golang/go/issues/34174 f := 123.45 fmt.Fprintln("value=%08.3f{f}") // value=0123.450 fmt.Fprintln("value=%08.3f", f) //…

comment by mjevans · 2025-04-11 · in PEP 750 – Template Strings

That issue has a link to another Issue with more discussion: https://github.com/golang/go/issues/57616 . But as is all too common in the go community, there seems to be a lot of confusion about what is proposed, and resistance to any…

comment by thayne · 2025-04-11 · in PEP 750 – Template Strings

…Go team would not even release an experimental feature unless they feel quite good about it. [1] https://github.com/golang/go/issues/57616

comment by unscaled · 2025-04-11 · in PEP 750 – Template Strings

…with Go (compared to other languages), they're loathe to add new features to the compiler[2]. [1] https://github.com/golang/go/issues/34174#issuecomment-14509... [2] https://github.com/golang/go/issues/34174#issuecomment-53013...

comment by unscaled · 2025-04-11 · in PEP 750 – Template Strings

…f-strings since 2016, and now t-strings. [1]: https://news.ycombinator.com/item?id=40737095 [2]: https://github.com/golang/go/issues/34174#issuecomment-14509...

comment by Mawr · 2025-04-10 · in PEP 750 – Template Strings

https://github.com/golang/go/blob/master/src/sync/pool.go#L2... The GC calls out to sync.Pool's cleanup.

comment by andrewf · 2025-04-02 · in Go Optimization Guide

▲ 3

Scala compiler is being rewritten in Go

story by theboywho · 2025-04-01 · 2 comments

A new sync/v2 NewPool() is being discussed that eliminates the sharp edges by making it generic: https://github.com/golang/go/issues/71076 I haven't personally found it to be problematic; just keep it private, give it a default new func,…

comment by infogulch · 2025-04-01 · in Go Optimization Guide

Sync.map is meant to have poor performance I believe https://github.com/golang/go/issues/21031

comment by strangelove026 · 2025-04-01 · in Go Optimization Guide

…usually better to have non-global pools, pool ranges, drop things after a certain capacity, etc.: https://github.com/golang/go/issues/23199 https://github.com/golang/go/blob/7e394a2/src/net/http/h2_bu...

comment by cplli · 2025-04-01 · in Go Optimization Guide

eventually: https://github.com/golang/go/issues/71076

comment by arccy · 2025-03-31 · in Go Optimization Guide

Also recent proposal: https://github.com/golang/go/issues/71497

comment by kristianp · 2025-03-28 · in The Future of JSON in Go (2023) [video]

▲ 1

Proposal: Encoding/JSON/v2: new API for encoding/JSON

story by kristianp · 2025-03-28 · 0 comments

…sum type, but every interface being zeroable seems to be embedded quite deeply in the language. [1] https://github.com/golang/go/issues/57644

comment by ajb · 2025-03-26 · in Good-bye core types; Hello Go as we know and love it

…set small. Edited to add: There is this 2023 proposal from Ian Lance Taylor (on the go team) https://github.com/golang/go/issues/57644 But it makes all sum types include nil, which seems suboptimal

comment by ajb · 2025-03-20 · in Decoding JSON sum types in Go without panicking

…quic is in testing in http://pkg.go.dev/golang.org/x/net/quic and http3 is being implemented https://github.com/golang/go/issues/70914 Since Go has strong backwards compatibility guarantees, they're unlikely to commit to APIs that may need…

comment by arccy · 2025-03-17 · in HTTP/3 is everywhere but nowhere

…better Go language support exists. [1]: https://pkg.go.dev/github.com/go-json-experiment/json [2]: https://github.com/golang/go/issues/71497 [3]: https://github.com/golang/go/discussions/63397

comment by shabbyrobe · 2025-03-16 · in Decoding JSON sum types in Go without panicking

▲ 2

Cmd/compile: slow escape analysis in large package in the TypeScript compiler

story by mariuz · 2025-03-13 · 0 comments

…magical types for the compiler. Hence why the only thing you will see here is mostly documentation, https://github.com/golang/go/blob/master/src/unsafe/unsafe.g... Which is nothing new since the 1960's that there are systems languages with…

comment by pjmlp · 2025-03-12 · in A 10x Faster TypeScript

It's not just system calls. E.g. reflection package uses unsafe too: https://github.com/golang/go/blob/master/src/reflect/value.g... . Many packages from Go standard library use unsafe one way or the other, so it's not fair to say that…

comment by nasretdinov · 2025-03-12 · in A 10x Faster TypeScript

…is not obligated to provide; and (B) WasmGC does not support interior pointers, which Go requires. https://github.com/golang/go/issues/63904#issuecomment-22536...

comment by mappu · 2025-03-11 · in A 10x Faster TypeScript

Unfortunately, OS vendors like microsoft are quite incompetent at running root stores https://github.com/golang/go/issues/65085#issuecomment-25699...

comment by arccy · 2025-03-07 · in How to distrust a CA without any certificate errors

…claim that any aspect of the language and its standard library is perfect. The many open issues on https://github.com/golang/go attest to that. One example, if I may: the errors.As function is far from ergonomic. It would have been much…

comment by jub0bs · 2025-03-06 · in The cost of Go's panic and recover

…trying to crack the nut. There is, as of about a month ago, even now an exploratory implementation: https://github.com/golang/go/discussions/71460 It is not an easy nut to crack. Many serious proposals have failed for good reasons. But it…

comment by 9rx · 2025-03-05 · in The cost of Go's panic and recover

…also like how golang docs literally describe using panics as poor man's exceptions: And I like how https://github.com/golang/go/issues/26799 describes that use of panic in the original version of this bog entry from 2010: quote: However,…

comment by usrbinbash · 2025-03-04 · in The cost of Go's panic and recover

A similar issue in Go, that I've encountered in real code: https://github.com/golang/go/issues/27505#issuecomment-71370... In a nutshell, if you want to use the death signal, which is very handy and useful, you also need to lock an OS…

comment by jerf · 2025-02-24 · in Tokio and Prctl = Nasty Bug

▲ 8

Poor spill decisions making code 14% slower

story by mwsherman · 2025-02-22 · 0 comments

AFAIK, the basic issue is still open at https://github.com/golang/go/issues/33803 and https://github.com/golang/go/issues/59715 . You still need to use a helper library like https://github.com/KimMachineGun/automemlimit or…

comment by lenkite · 2025-02-19 · in One year after switching from Java to Go

…soon are quite low. [1] https://learn.microsoft.com/en-us/windows/win32/fileio/maxim... [2] https://github.com/golang/go/issues/69853

comment by fowl2 · 2025-02-18 · in Microsoft Go 1.24 FIPS changes

Unfortunately Go doesn’t support exporting DWARF for WASM atm, so printf is the only option. https://github.com/golang/go/issues/33503

comment by smetannik · 2025-02-14 · in Extensible WASM Applications with Go

How did you miss: https://github.com/golang/go/issues/71134

comment by wjfuasdf · 2025-02-14 · in Extensible WASM Applications with Go

> I guess my question is, why is Go compelling as a source language for WASM? It's not currently: https://github.com/golang/go/issues/71134

comment by wjfuasdf · 2025-02-14 · in Extensible WASM Applications with Go

…by volunteers, not the Go team, so timelines are dependent on availability of volunteers. [0]: https://github.com/golang/go/issues/65333#issuecomment-22336...

comment by boomskats · 2025-02-14 · in Extensible WASM Applications with Go

…for now. Discussion thread here[0]. Might be for the best, with wasip3 just around the corner. [0]: https://github.com/golang/go/issues/66984#issuecomment-20762...

comment by boomskats · 2025-02-14 · in Extensible WASM Applications with Go

The best part is that it wasn't even an original name within the domain of programming languages: https://github.com/golang/go/issues/9

comment by Lammy · 2025-02-12 · in DeaDBeeF: The Ultimate Music Player

What would be an use case for `os.Root`? Based on my understanding ( https://github.com/golang/go/issues/67002 ), it is related to security. However, under the hood, it doesn't use `Chroot`, so I could imagine, that eventually someone…

comment by Hixon10 · 2025-02-12 · in Go 1.24 Is Released