I look forward to the addition of the definition of "in a handwavy
sense" to the spec.
On Thu, 2020-04-23 at 11:41 -0700, Michael Jones wrote:
> You could extend the notation:
>
> If r 13+- {
> // if r is close to 13, in a handwavy sense
> :
> }
>
> On Thu, Apr 23, 2020 at 9:43 AM Ian Lance
Yes, sorry. Eight years of habit is hard to break. I think I agree
with you; a small bit of text in
https://golang.org/ref/spec#Type_definitions linking to
https://golang.org/ref/spec#Predeclared_identifiers and saying that
there exist already defined types may ease this, or the suggestion you
In https://golang.org/ref/spec#Types a Type is defined in terms of a
TypeName a TypeLit or a (Type). A TypeName is what makes a type a named
type. This is defined as either an identifier or a qualified
identifier. For the discussion here we can ignore the latter. An
identifier contains letters and
I am working on some C/Go interop code that includes this horror on the
C side (TYPE_BITS is 5 and NAMED_BITS is 16):
```
struct sxpinfo_struct {
SEXPTYPE type : TYPE_BITS;
/* ==> (FUNSXP == 99) %% 2^5 == 3 == CLOSXP
* -> warning:
On Tue, 2020-09-01 at 17:03 -0700, Ian Lance Taylor wrote:
>
> This is a bug. Sent https://golang.org/cl/252378.
>
> I think that currently cgo -godefs ignores #cgo lines. This was
> recently reported at https://golang.org/issue/41072.
>
> Ian
Thanks, Ian for both of those.
Dan
--
You
On Wed, 2020-09-09 at 12:50 +0200, Jan Mercl wrote:
> On Wed, Sep 9, 2020 at 12:41 PM Dan Kortschak
> wrote:
>
> > I get the following
> >
> > ```
> > C alignof struct s: 8
> > Go alignof struct s: 8
> > Go alignofS: 8
> > ~/cznic $ go version
> > go version go1.15.1 linux/arm64
> >
On Wed, 2020-09-09 at 13:21 +0200, Jan Mercl wrote:
>
>
> On Wed, Sep 9, 2020 at 1:09 PM 'Dan Kortschak' via golang-nuts <
> golang-nuts@googlegroups.com> wrote:
>
> > What does cgo -godefs give you? On my amd64 and arm64 I get this:
> >
> > ```
>
On Wed, 2020-09-09 at 12:19 +0200, Jan Mercl wrote:
> Observation:
>
> pi@raspberrypi:~/src/tmp.tmp $ go version
> go version go1.15.1 linux/arm
> pi@raspberrypi:~/src/tmp.tmp $ cat main.go
> package main
>
> /*
>
> struct s {
> long long i;
> } x;
>
> size_t align() {
> return
Yes, it's sort of like asking what the best way to translate "This
sentence is not Spanish." into Spanish; you can do it, but it doesn't
make a lot of sense.
On Wed, 2020-09-16 at 02:13 -0700, Volker Dobler wrote:
> On Wednesday, 16 September 2020 at 10:51:27 UTC+2
> stephan...@gmail.com wrote:
On Sat, 2020-08-15 at 21:44 -0700, Ian Lance Taylor wrote:
> On Sat, Aug 15, 2020 at 3:45 PM 'Dan Kortschak' via golang-nuts
> wrote:
> >
> > I would like to be able to obtain the original type for an alias
> > given
> > a source input. I can see in "g
On Fri, 2020-08-21 at 21:51 -0700, Ian Lance Taylor wrote:
>
> > Thanks, Ian.
> >
> > No that doesn't work. For example with type byte, you get back the
> > byte
> > name.
> >
> > https://play.golang.org/p/PPjHBotsIsw
>
> The underlying type of byte is indeed byte. What are you hoping for?
>
On Sat, 2020-08-22 at 06:00 +0100, Paul Jolly wrote:
> I think you were unlucky with your choice of type to experiment with.
> My understanding is that byte is special cased, despite being an
> alias:
>
>
On Wed, 2020-08-26 at 23:50 +0200, Jan Mercl wrote:
> From the change log (
> https://godoc.org/modernc.org/sqlite#hdr-Changelog)
>
> 2020-08-26 v1.4.0:
>
> First stable release for linux/amd64. The database/sql driver and its
> tests are CGo free. Tests of the translated sqlite3.c library still
On Tue, 2020-05-26 at 16:26 +1000, Jesse McNelis wrote:
> On Tue, May 26, 2020 at 3:37 PM Paul Jolly wrote:
> > > Why the output of this code is nondeterministic?
> >
> > See https://golang.org/ref/spec#For_statements, specifically the
> > "For
> > statements with range clause" subheading,
On Wed, 2020-07-15 at 14:36 -0700, Randall O'Reilly wrote:
> And the use of [ ] in map is more semantically associated with its
> conventional use as an element accessor in arrays / slices, not with
> some more general kind of type parameter.
The [] syntax can be viewed as an indexing operation
On Wed, 2020-07-15 at 15:27 -0700, Bakul Shah wrote:
> The second issue is the usage for generic functions. Contrast
>
> (float64, int)PowN(1.2, 3)
> with
> PowN[float64, int](1.2, 3)
> or currently
> PowN(float64, int)(1.2, 3)
>
> I find the alternate syntax easier because
On Wed, 2020-07-15 at 17:10 -0500, Seebs wrote:
> That said, if people don't like square brackets, I'm totally prepared
> to make worse suggestions until they give up and say square brackets
> aren't that bad.
>
Let's bring back the special five keywords!
func despiteallobjections F insofaras
On Mon, 2020-08-03 at 10:45 -0700, Ian Lance Taylor wrote:
> Another possibility is constraints.Any, although that is no shorter
> than interface{}. I'm not sure _ is best; currently _ fairly
> consistently means "ignore this value," but in this usage it would
> mean something different.
Another
The genome of the New Zealand 'lizard', the tuatara[1], has just been
sequenced and published in Nature[2,3].
The analysis of the genome included an examination of the repetitive
sequences within the genome. The engine for finding novel repeats for
this analysis is written in Go.
Gophers analyse
On Wed, 2019-10-09 at 06:02 -0700, Nalin Pushpakumara wrote:
> Hi,
> I tried to print array with brackets and commas in golang. I want to
> get
> array like this.
> ["record1", "record2". "record3"]
>
> Does anyone know how to do it?
>
> Thank you
>
Not the most efficient, but simple and
On Thu, 2020-08-06 at 07:41 +, Sebastien Binet wrote:
> ‐‐‐ Original Message ‐‐‐
> On Thursday, August 6, 2020 9:16 AM, 'Dan Kortschak' via golang-nuts
> wrote:
>
> > The genome of the New Zealand 'lizard', the tuatara[1], has just
> > been
> > sequenc
Probably math/big.Int will do what you want.
Dan
On Mon, 2020-06-29 at 18:58 -0700, hardconnect@gmail.com wrote:
> I'm looking for a package that implements arbitrary length bit
> strings and
> supports set all, clear all, set and reading back of arbitrary bits
> and setting and clearing
On Tue, 2020-07-14 at 23:05 -0700, Bakul Shah wrote:
> I don't much like square brackets or angle brackets or guillemets.
> But here is a different way
> of reducing the need for parentheses at least for the common case:
>
> A proposal for fewer irritating parentheses!
>
> One thing to note
On Tue, 2020-07-14 at 23:53 -0700, Randall O'Reilly wrote:
> So, essentially, this puts the onus back on the parser programmers to
> definitively *rule out* the use of < > -- is it really that difficult
> / costly to do a bit of look-ahead and disambiguate the different use
> cases?
The absence
Is there a reason not to retain the returned value from `mapiterkey` on
line 1243 of reflect/value.go[1] for use on line 1249[2].
```
// Key returns the key of the iterator's current map entry.
func (it *MapIter) Key() Value {
if it.it == nil {
panic("MapIter.Key called
actually leaning towards the similarity
being a benefit and one that would be broken by retaining the value.
Dan
On Tue, 2020-06-30 at 19:24 -0700, Ian Lance Taylor wrote:
> On Tue, Jun 30, 2020 at 6:39 PM 'Dan Kortschak' via golang-nuts
> wrote:
> >
> > Is there a reason not to r
Since this has come up again in [1], I would like to re-raise the issue
of being able to correlate float and complex types so that a
func(float32) complex64/func(float64) complex128-like function can be
written generically. This issue was raised in [2] in the last round of
generics discussions
Thanks to Tim and Eric Bajumpaa on slack.
The issue was due to an error in minification where the quotes around
the name attribute value are stripped. Turning off minification is an
interim workaround while that is broken.
Dan
On Sat, 2020-06-20 at 18:10 -0700, Tim Heckman wrote:
> Closing the
As a follow-up to the follow-up, I have filed golang.org/issue/39748;
the error is apparently not in minification, but in the go command's
handling of html. The workaround remains the same.
On Sun, 2020-06-21 at 03:23 +, Dan Kortschak wrote:
> Thanks to Tim and Eric Bajumpaa on slack.
>
>
With the multitude of answers for use of alternative syntaxes for
specifying type parameter lists, is there a chance that this concern
could be addressed?
thanks
Dan
On Wed, 2020-06-17 at 11:24 +, 'Dan Kortschak' via golang-nuts
wrote:
> Since this has come up again in [1], I would l
Yesterday we replaced the old gonum.org site with a new hugo build.
This appears to have broken go get for clients that do not use
proxy.golang.org or some other proxy that already has gonum.org/...
cached (this includes gddo).
```
$ GOPROXY=direct go get gonum.org/v1/gonum
go get
This is at https://modernc.org/sqlite now, along with the rest of Jan's
amazing things, https://gitlab.com/cznic.
On Tue, 2020-06-16 at 12:27 -0700, Mandolyte wrote:
> SQLite3 support is the stated goal of
> https://github.com/elliotchance/c2go
>
> Also, I believe I tested this one a long time
It's perfectly valid to call a method on a nil receiver, so long at the
nil receiver is not dereferenced.
https://play.golang.org/p/Z-zXlj0-eVy
On Wed, 2020-06-03 at 00:03 -0700, apmat...@gmail.com wrote:
> Read function at net.go is like this:
>
> func (c *conn) Read(b []byte) (int, error) {
Also see https://godoc.org/github.com/dsnet/compress/bzip2 and
https://github.com/dsnet/compress/issues/58
On Mon, 2020-06-08 at 13:14 -0400, Sam Whited wrote:
> See: https://github.com/golang/go/issues/4828
>
> On Mon, Jun 8, 2020, at 05:09, lziqia...@gmail.com wrote:
> > Why is there no bzip2
bzip2 compression is not trivial so making sure the review catches any
issues will take time. Finding people with the relevant expertise and
the time to do the review is not necessarily easy.
Note that you can use the dsnet package.
On Mon, 2020-06-08 at 18:55 -0700, lziqia...@gmail.com wrote:
>
In the context of a sufficiently large collection of people all actions
are political to some degree, *including inaction and non-comment*.
Where the boundary is for the degree on what constitutes a political
action and what doesn't varies between people.
On Sun, 2020-06-14 at 16:44 -0400, Eric
On Sat, 2020-07-25 at 01:09 -0700, chri...@surlykke.dk wrote:
> &(*f1)
>
> would, first, create a copy of *f1, and then a pointer to that copy,
> but evidently f2 becomes a pointer to the same struct as f1. Is this
> something I should have deduced from the language spec?
&(*p) says "give me
On Wed, 2020-07-15 at 18:09 -0700, lotus.developer.mas...@gmail.com
wrote:
> Personally think this way is easier to read. In this way, I wrote a
> few examples, which may be different from the creator
Please post in unstyled plain text. It is almost impossible to read the
code examples you have
On Fri, 2020-07-17 at 15:56 -0700, Jay Kay wrote:
> How about a "-generics" compile flag that lets you select one pair
> from a character set of [ ( { < « .
This hits two of the things that Go doesn't do:
1. proliferation of compiler option flags
2. enabling dialect spliting
--
You
On Thu, 2020-07-16 at 13:44 -0700, jpap wrote:
> Notwithstanding a concise unambiguous alternative, I would rather
> type parameters "stick out" so they are easily identified when
> visually scanning through code.
func ᕙ(⇀ X ↼‶)ᕗ GenericFunction(x X) ...
--
You received this message because
I would like to be able to obtain the original type for an alias given
a source input. I can see in "go/types" that it's possible to know
whether a named type is an alias by `typ.Obj().IsAlias()`, but I cannot
see how to obtain the actual original type unless it is an alias for a
basic type.
Can
On Fri, 2020-12-25 at 18:11 +0100, Martin Hanson wrote:
>
> What are you on about!? This is my second post on this list, and even
> though both are about
> generics, they are adequately different to be kept about otherwise it
> becomes a big mess.
Some mailers do not properly handle headers
That's not an error.
https://github.com/rsc/quote/blob/754f68430672776c84704e2d10209a6ec700cd64/quote.go#L22-L24
On Fri, 2020-11-20 at 17:49 -0800, Alexey Melezhik wrote:
> Thanks. I receive " Don't communicate by sharing memory, share memory
> by communicating. " error (?) when run the example
I agree.
A lot of Gonum code would be greatly simplified with the availability
of generics, particularly the linear algebra part. The graph packages
would be richer and we could do more things with tensor-like
operations.
On Wed, 2020-12-23 at 23:54 -0800, Marcin Romaszewicz wrote:
> Those are
You can also use the internal map implementation and make us of the
runtime's map iterator. This is relatively straightforward at the cost
of vigilance for changes in the runtime.
Here is an example (note that yo need a .S file as well to get the
go:linkname magic to work).
I think that's the question. Here's a simpler example,
https://play.golang.org/p/9Kv3PhlM-OF
That is, is 00 an expected %02x representation of a zero-length byte
slice?
The answer to that is yes; the 02 forces leading zeros. The %x verb
essentially renders bit strings as hex, so a zero-length
On Mon, 2020-12-14 at 13:53 +, Sam Whited wrote:
> In the example you provided it is working as expected. The element
> you're unmarshaling is in the "
> http://www.w3.org/1999/02/22-rdf-syntax-ns#; namespace (it has an
> "rdf"
> prefix) but the thing you're unmarshaling it into expects
>
I'm needing to consume some XML which has a namespace identifier
reused.
http://purl.obolibrary.org/obo/go/subsets/goslim_yeast.owl#;
xml:base="http://purl.obolibrary.org/obo/go/subsets/goslim_yeast.owl;
xmlns:go="http://purl.obolibrary.org/obo/go#;
//go:generate is not limited to dependency on Go source files, so this
is not possible in the general case.
On Tue, 2020-11-10 at 01:05 -0800, gta wrote:
> Thanks for the reply,
> yes I know I can grep for those files, but I was hoping that go list
> could give me the files in the reverse
On Tue, 2020-11-10 at 19:08 -0800, 'Kilos' via golang-nuts wrote:
> Thanks for reply, but I want to know the underlying reason about it,
> I think the reason is in how the runtime functions works.
The direct cause is that the hash function used for the map
implementation is seeded from the system
This can already be done using C.malloc and C.free. You won't have
access to map types using a Cgo allocator, but then you wouldn't if
you had to allocate using built-ins either.
On Sun, 2020-11-15 at 17:37 -0800, tapi...@gmail.com wrote:
> For example, by adding two new built-in functions: alloc
Or github.com/kortschak/utter .
This package does an arguably better job at dealing with self-
referencing structures.
On Sat, 2020-11-14 at 03:52 -0800, twp...@gmail.com wrote:
> > My use case is that I want to pretty print in-memory objects for
> debug purposes during testing, and one of the
You should tag the version with the path to the module root: for
example path/from/root/v1.2.3
On Thu, 2020-11-19 at 18:58 -0800, Victor Denisov wrote:
> Hi,
>
> I've recently encountered an interesting behavior of go modules.
> I have a library in a repository on github. The go.mod file for
Reference: https://golang.org/ref/mod#vcs-version
> If a module is defined in a subdirectory within the repository, that
> is, the module subdirectory portion of the module path is not empty,
> then each tag name must be prefixed with the module subdirectory,
> followed by a slash. For example,
It does, but it depends on how big of a dependency set is imported due
to timeout. The example below does work.
https://play.golang.org/p/WL-OhWYsx68
On Fri, 2020-11-20 at 22:45 +, Paul Jolly wrote:
> Hi,
>
> > Hi go devs. I am thinking about brining up a service that would
> > execute Go
On Wed, 2020-11-11 at 06:02 +, 'Dan Kortschak' via golang-nuts
wrote:
> So long as you take into account these caveats, mutating a map during
> a range will not corrupt the map or other data structure, and will
> cause your application to crash.
s/will cause/will not cause/
--
You
On Tue, 2020-11-10 at 22:17 -0800, Kurtis Rader wrote:
> Jeebus. H. Christ! Yes, you can "safely" mutate a map while iterating
> over it. In as much as doing so will not result in a panic; although,
> I'm not convinced that is true. The point of the O.P. is that they
> expect the map mutation to
On Tue, 2020-11-10 at 20:28 -0800, 'Kilos' via golang-nuts wrote:
> You cannot safely mutate a Go map while iterating over it with the
> `range` operator.
This is not true, depending on your definition of "safely". See
https://golang.org/ref/spec#For_statements "For statements with range
My first professional programming language was Perl, decades later I
still wake up in a sweat thinking about post-fix conditionals and the
'unless' conditional.
Please no.
On Mon, 2020-11-02 at 14:26 -0800, Jeffrey Paul wrote:
> Hello Gophers,
>
> There's two tiny pieces of syntactic sugar I
There are two parts. The worse part is the negative conditional
(unless), which has the problem that humans are bad at negations;
nearly always when there is a complex condition with an "unless", it
needs to be mentally refactored into an "if !" (when working through
other people's bugs, I
On Thu, 2020-10-29 at 22:54 -0700, Ian Lance Taylor wrote:
> On Thu, Oct 29, 2020, 10:48 PM Denis Cheremisov <
> denis.cheremi...@gmail.com> wrote:
> > Well, as usual I wrote something in the way, not the real thing.
> >
> > The case is:
> >
> > - At my company we are using errgroup from that
You're using go test, with -mod=readonly, but it's running your code
with go run, without -mod=readonly.
Either you'll need to unconditionally pass -mod=readonly to go run in
the regression_test.go file, or find wether it's been passed to go test
and then conditionally pass it to go run.
On
Ah, it just clicked.
You're indirectly using go/packages, which will (unless configured not
to), cause changes to the go.mod and go.sum file. This configuration
happens for this by adding "-mod=readonly" to
packages.Config.BuildFlags (I think). But this isn't exposed via the
go/analysis API (the
The full panic would help, but somehow you have a string with a nil
pointer that is 4 bytes long. Where is the string generated? Are you
using Cgo? Have you run with the race detector? Also, what version of
Go are you using?
On Fri, 2020-11-06 at 00:00 -0800, blade...@gmail.com wrote:
> i check
OK, so you're not using Cgo, that leaves some other unsafe use, a data
race or unlikely some weird compiler bug.
I'd start looking in api.handleDPriceRange to see where the string
input to strconv.ParseFloat is being constructed.
On Fri, 2020-11-06 at 01:10 -0800, blade...@gmail.com wrote:
> go
On Tue, 2021-01-19 at 20:01 +, Kevin Chadwick wrote:
> I was inquiring about the possibility of no identifiers or
> abstraction but simply like Gos non generic functions (possibly
> reversed if needed). Using type OR type.
>
> func (String | []byte firstInput, myType | publicKey
>
On Tue, 2021-01-19 at 13:54 -0800, Alexander Mills wrote:
> i am getting this weird error message:
>
> package twitch/go-scripts/dynamo-creators-to-s3/lib is not in GOROOT
> (/usr/local/Cellar/go/1.15.6/libexec/src/twitch/go-scripts/dynamo-
> creators-to-s3/lib)
>
> my GOPATH=$PWD/scripts/go
>
On Tue, 2021-01-19 at 21:09 +, Kevin Chadwick wrote:
> On January 19, 2021 8:22:01 PM UTC, 'Dan Kortschak' via golang-nuts <
> golang-nuts@googlegroups.com> wrote:
> > On Tue, 2021-01-19 at 20:01 +, Kevin Chadwick wrote:
> > > I was inquiring about the po
On Tue, 2021-01-19 at 22:44 +, Kevin Chadwick wrote:
> On January
19, 2021 9:13:55 PM UTC, Levieux Michel <
> mlevieu...@gmail.com> wrote:
> > I think the question was: "given your proposal here, I can write
> >
func
> > (string | []byte in1, string | []byte in2) which enforces that
in1
> >
On Tue, 2021-01-19 at 21:38 -0800, Ian Lance Taylor wrote:
> On Tue, Jan 19, 2021 at 8:41 PM Dan Kortschak
> wrote:
> >
> > Would that work for non-comparable types? Say the T has an
> > underlying
> > []int type, then the comparison is not against nil and you end up
> > with
> > a panic.
>
>
On Tue, 2021-01-19 at 16:08 -0800, Alexander Mills wrote:
> I have never seen the dot needed, I have used plenty of packages that
> are in GOPATH but not GOROOT
https://go.googlesource.com/go/+/go1.15.6/src/cmd/go/internal/search/search.go#542
This is why it is saying that it's expecting it to
On Mon, 2021-02-01 at 23:48 -0800, 颜文泽 wrote:
> This is my code:
> 2021-02-02 15-45-01 的屏幕截图.png
Please don't post code as images.
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On Tue, 2021-06-08 at 07:57 -0500, robert engels wrote:
> The following code is works fine from the developers perspective:
>
> https://play.golang.org/p/gC1XsSLvovM
>
> The developer says, oh cool, I see this great new 3P library that
> does background logging - I want to use that instead. Hey, I
On Tue, 2021-06-22 at 12:45 -0500, Steven Penny wrote:
> Thanks for the help, but I found a much simpler example:
>
> https://play.golang.org/p/EcitH-85X6S
Yes, trivial examples also exist.
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On Mon, 2021-06-21 at 17:57 -0500, Steven Penny wrote:
> > No, I gave a clear path that would lead to a case of a non-detected
> > error when Close is not called.
> >
> > This seems like a really odd hill to die on, but it's your choice I
> > guess.
>
> You calling "go look through 3200 lines of
On Mon, 2021-06-21 at 18:22 -0500, Steven Penny wrote:
> I am not questioning anyones knowledge, I am just asking for a
> demonstration, rather than "do it because we said so".
https://play.golang.org/p/gwDnxVSQEM4
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On Mon, 2021-06-21 at 16:53 -0500, Steven Penny wrote:
> > Again, the idiom is, if you get an `io.Closer`, `Close` should be
> > called once
> > you're done with it.
>
> Thanks for the responses, but I am not convinced. Other than "its
> just good
> practice", I havent seen a single concrete
On Mon, 2021-06-21 at 17:30 -0500, Steven Penny wrote:
> > No other compress reader even has a Close method, so I think Im
> > fine:
>
> - https://golang.org/pkg/compress/bzip2
> - https://golang.org/pkg/compress/flate
> - https://golang.org/pkg/compress/lzw
> -
On Mon, 2021-06-21 at 17:44 -0500, Steven Penny wrote:
> and none has been able to provide a simple program that demonstrate a
> problem that could arise from not closing gzip reader.
No, I gave a clear path that would lead to a case of a non-detected
error when Close is not called.
This seems
On Sat, 2021-05-15 at 04:47 -0700, cpu...@gmail.com wrote:
> In my local code, I'm using things like
>
> if errors.Is(err, api.ErrMustRetry) { ... }
>
> How would I achieve the same on errors returned by the gRCP
> interface? I've noticed these are wrapped:
>
> rpc error: code = Unknown desc =
On Fri, 2021-06-04 at 20:29 -0700, Deiter wrote:
> The reflect package provides the SetMapIndex method for updating
> elements in a map that are represented by a reflect.Value type, but I
> don’t see an equivalent for array/slice.
> The sample app (link provided below) includes an example of map
>
On Sun, 2021-06-06 at 18:14 +1000, Rob Pike wrote:
> You are using a steamroller to press a shirt.
Tomi Ungerer has already published this approach.
https://kotonoha-books.ocnk.net/data/kotonoha-books/product/20160619_70ddf5.JPG
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On Sun, 2021-06-06 at 03:17 -0700, Brian Candler wrote:
> When you assign a regular (non-pointer) value to an interface
> variable, it does take a copy of that value:
> https://play.golang.org/p/XyBREDL4BGw
It depends on whether it's safe to leave uncopied or not. You can see
this here
On Wed, 2021-06-30 at 15:45 -0700, 'Jay Conrod' via golang-nuts wrote:
> Hi Sebastien, once a version is in proxy.golang.org, it usually can't
> be removed. This is important to ensure that builds continue working
> when a repository disappears upstream.
>
> You may want to publish a new version
On Sat, 2021-06-26 at 23:26 +0100, Rory Campbell-Lange wrote:
> I'm trying to work out why I have a data race problem (on go 1.15 and
> 1.16).
>
> *SearchResults.Set is called from several goroutines. I am trying to
> avoid concurrent access to its two maps using a mutex, but this isn't
> working.
On Sat, 2021-06-26 at 20:44 -0700, Ian Lance Taylor wrote:
> Looks like you have multiple SearchResults values that refer to the
> same map.
Shouldn't that result in a panic, even without -race?
Dan
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On Mon, 2021-04-26 at 23:28 -0700, christoph...@gmail.com wrote:
> It seam that C is wrong on this one and Go is right. The rationale is
> that a NaN must propagate through operations so that we can detect
> problems (avoid silent NaNs). See https://en.wikipedia.org/wiki/NaN
>
> Thus any operation
This is not something that I've thought about before, but the behaviour
of math.Max when only one of its arguments is NaN does not agree with
the C convention or the IEEE-754 standard behaviour for max (5.3.1 p19
"maxNum(x, y) is the canonicalized number y if x
#include
void main() {
On Fri, 2021-02-05 at 00:12 +0100, Jan Mercl wrote:
>
https://www.geospatialworld.net/blogs/goodbye-michael-jones-the-man-who-gave-the-power-of-maps-in-our-hands/
Thank you for letting us know, Jan.
He will be missed.
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On Mon, 2021-02-08 at 19:09 -0800, messi...@gmail.com wrote:
> Hi,
>
> I'm reading the go compiler source code and found the following code
> style in several places:
>
>
>
> Is there some special reasons to group n,m,p to a local struct?
>
> Why don't we just init n the following way:
On Thu, 2021-03-25 at 14:20 -0400, jasm...@gmail.com wrote:
> Blast from the past so it's hard to be sure, but I think that was how
> many rows or columns to pick for parallel sub matrices to multiply.
>
> On Thu, Mar 25, 2021, 1:17 PM Gabriel Pcklub <
> gabrielpckl...@gmail.com> wrote:
> > Hello,
On Wed, 2021-03-24 at 18:31 -0700, Scott Pakin wrote:
> I just noticed that some of the package comments in the standard
> library are coming from the wrong source file. Here are two examples
> from a golang.org/pkg/ screenshot:
>
>
> In the case of the former, src/os/exec/read3.go appears to be
On Wed, 2021-03-24 at 22:09 +, alex breadman wrote:
> Let's keep divisive political BS away from this lovely project.
>
> Glad to see the political header removed from the website, at least
> on mobile.
>
> All lives matter.
This too is a political statement.
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On Sun, 2021-03-14 at 10:41 -0700, Pascal de Kloe wrote:
> New MQTT client library + command line tool available.
>
> https://github.com/pascaldekloe/mqtt
>
> Comments are welcome.
Did you consider using context.Context rather than quit channels?
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On Tue, 2021-03-16 at 03:10 -0700, Haddock wrote:
> Anyhow, if I hear how young people are talking nowadays, it makes me
> sick. Die Funktion wurde "gecalled" und die Exception "gethrown".
> Sometimes I fear the next generation will not have learned to watch
> what their mind is doing. I might be
Now that a proposal for an approach to generics has been approved[1],
it seems like a good time to again[2] raise the issue of how to be able
to write code that has correlated types where types are structured but
built-in, and so fields are not available to examine. The only case of
this in the
On Sun, 2021-03-14 at 15:08 -0700, Pascal de Kloe wrote:
> > Did you consider using context.Context rather than quit channels?
>
> Applying a context.Context pretty much implies using a quit channel.
> Done is the only way to receive an expiry signal.
>
> I just don't want to lock code into using
On Wed, 2021-03-10 at 15:20 -0800, Matt Mueller wrote:
> I'm assuming this is by design, but it feels to me like go install
> ./cmd/app/main.go silently failing is a bug.
>
> Is this worth opening an issue for?
If it's a bug it's an error reporting bug. The go install command is
documented to
On Sun, 2021-02-28 at 10:11 -0800, Bob Alexander wrote:
> I never have understood the *serious* hatred of Python's "indentation
> as syntax" approach. I've used lots of bracketed and begin/end
> languages (C/C++, Algol & relatives, Ruby, and most other programming
> languages), and when I write
On Sun, 2021-03-07 at 07:57 +, Paul Jolly wrote:
> Erroring on replace directives is an intentional decision for now:
> https://github.com/golang/go/issues/40276#issue-659471259
>
> But might be relaxed in the future:
>
> > Parts of this proposal are more strict than is technically
> >
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