Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread ben...@gmail.com
Oh wait, looks like it's public: https://github.com/golang/playground On Wednesday, April 6, 2022 at 3:32:11 PM UTC+12 ben...@gmail.com wrote: > Sure, report an issue against the playground. I honestly have no idea >> how difficult this would be to fix. >> > > Thanks, done: https://github.com/g

Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread ben...@gmail.com
> Sure, report an issue against the playground. I honestly have no idea > how difficult this would be to fix. > Thanks, done: https://github.com/golang/go/issues/52176 The source for the Playground is private, correct? -Ben -- You received this message because you are subscribed to the Goo

Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread Ian Lance Taylor
On Tue, Apr 5, 2022 at 6:50 PM ben...@gmail.com wrote: > >> The playground isn't intended to be an exact replica of running a >> program on a real machine. If the program uses too many resources it >> will simply be stopped. > > > Both fair enough. But surely the runner can distinguish when the pr

Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread Kurtis Rader
On Tue, Apr 5, 2022 at 6:18 PM ben...@gmail.com wrote: > Normally the Go Playground gives errors when a runtime panic or other > error occurs, including "timeout running program" for programs that run too > long. I'm wondering why the Playground doesn't show a stack overflow error > (or any error

Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread ben...@gmail.com
> The playground isn't intended to be an exact replica of running a > program on a real machine. If the program uses too many resources it > will simply be stopped. > Both fair enough. But surely the runner can distinguish when the program ran successfully to completion versus when it was st

Re: [go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread Ian Lance Taylor
On Tue, Apr 5, 2022 at 6:18 PM ben...@gmail.com wrote: > > Normally the Go Playground gives errors when a runtime panic or other error > occurs, including "timeout running program" for programs that run too long. > I'm wondering why the Playground doesn't show a stack overflow error (or any > e

[go-nuts] Why does infinitely-recursing code not give stack overflow in Playground?

2022-04-05 Thread ben...@gmail.com
Normally the Go Playground gives errors when a runtime panic or other error occurs, including "timeout running program" for programs that run too long. I'm wondering why the Playground doesn't show a stack overflow error (or any error) for this infinitely-recursing program? https://go.dev/play/

Re: [go-nuts] Does unix.Pipe/Select + goroutines requires some particular care?

2022-04-05 Thread Ian Lance Taylor
On Tue, Apr 5, 2022 at 5:05 PM c.maglie wrote: > > Il 05/04/22 19:09, Ian Lance Taylor ha scritto: > > It works fine for me either way, on Linux kernel 5.15.15. What system > > are you running on? What version of Go? What version of > > golang.org/x/sys/unix? > > Well, I tried it only on the pl

Re: [go-nuts] Why is it forbidden to add methods to an existing type?

2022-04-05 Thread Sam Hughes
I get what you're saying, and for what it's worth, you're absolutely correct. Something like above is a set of tradeoffs, and I guess all I can assert is that it works for me. I do think it's a good design, given Go's lack of a None type to enforce well-defined behavior on a nil pointer derefer

Re: [go-nuts] Does unix.Pipe/Select + goroutines requires some particular care?

2022-04-05 Thread c . maglie
Il 05/04/22 19:09, Ian Lance Taylor ha scritto: > It works fine for me either way, on Linux kernel 5.15.15. What system > are you running on? What version of Go? What version of > golang.org/x/sys/unix? Well, I tried it only on the playgound because it seems to reproduce the bug there, so I di

Re: [go-nuts] Can generics save virtual function calls?

2022-04-05 Thread Ian Lance Taylor
On Tue, Apr 5, 2022 at 11:05 AM Amit Lavon wrote: > > When we use an interface as a type parameter, does it mean that calls to that > interface will be replaced with calls to the concrete type? > > To demonstrate, consider https://go.dev/play/p/j4N8G_n-3uG . > Will the compiler create a static ca

[go-nuts] Can generics save virtual function calls?

2022-04-05 Thread Amit Lavon
Hi gophers, When we use an interface as a type parameter, does it mean that calls to that interface will be replaced with calls to the concrete type? To demonstrate, consider https://go.dev/play/p/j4N8G_n-3uG . Will the compiler create a static call to MyDoer.Do instead of a virtual call to Doe

Re: [go-nuts] Does unix.Pipe/Select + goroutines requires some particular care?

2022-04-05 Thread Ian Lance Taylor
On Tue, Apr 5, 2022 at 10:00 AM c.maglie wrote: > > I'm facing an issue that looks like a deadlock, but that I can't > actually figure out. After some investigation I can reproduce a similar > problem with the following code: > > https://go.dev/play/p/ZB05nweJJX_9 > > Running the example above as-

[go-nuts] Does unix.Pipe/Select + goroutines requires some particular care?

2022-04-05 Thread c . maglie
Hi, I'm facing an issue that looks like a deadlock, but that I can't actually figure out. After some investigation I can reproduce a similar problem with the following code: https://go.dev/play/p/ZB05nweJJX_9 Running the example above as-is will show the expected output, but after uncomment

Re: [go-nuts] Why is it forbidden to add methods to an existing type?

2022-04-05 Thread Brian Candler
I did look at the code briefly. The main thing I noticed was that the return type of float8.Get() was an interface{} - so it's up to the caller to check at runtime whether the value is nil, a float64, or a Status. So you're right, it's not that they are compile-time unsafe, but rather that you

[go-nuts] Local modules not updating in go.mod

2022-04-05 Thread Nikhilesh Susarla
Hi, I have a local package Z under X/Y folder So, to use the local package Z, I changed in the go.mod of the other package which wants to use it. replace X/Y/Z => ../Z After that if I run go mod tidy. This should ideally create an entry in requires with X/Y/Z v0.0.0-0001010100-000