On Fri, Jan 29, 2021 at 1:09 PM Ben Burkert wrote:
>
> I wrote a blog post on my experience updating a package to use the
> latest proposed generics feature with the go2go tool. My overall
> impression is quite good as it was able to solve some existing
> problems with the package. Thanks to Go te
Hi Gophers,
I wrote a blog post on my experience updating a package to use the
latest proposed generics feature with the go2go tool. My overall
impression is quite good as it was able to solve some existing
problems with the package. Thanks to Go team & gopher community for
all your work making ge
Volker: injecting sleep is a nice idea, in the general vein that Jesper
said of injecting time. However, as soon as we zoom out a step and need to
test both that generator and the goroutine(s) consuming and acting upon
that channel activity, we get back to the essence of the original question:
On Fri, Jan 29, 2021 at 9:10 AM xie cui wrote:
>
> when i call make new explictly, does it mean the space must be in heap, in my
> mind, it still has chance to alloc in stack in some situation?
> my question is is it must be in heap, or in some case it can alloc in stack?
The builtin function ne
Hi Gophers,
Being new to programming and to Golang i am running into issues while
asserting my test case. Looking for help here from the pros -
Here is my function i want to Unit test -
func validateK8ResourcesLength(resource prm.Resource) error {
name := resource.GetName()
namespace := resource
when i call make new explictly, does it mean the space must be in heap, in
my mind, it still has chance to alloc in stack in some situation?
my question is is it must be in heap, or in some case it can alloc in stack?
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params[0].data = unsafe.Pointer(cstr)
Note no & cuz cstr is already a pointer and &cstr is a pointer to a pointer
On Friday, 29 January 2021 at 9:20:41 am UTC+8 yue.ni...@gmail.com wrote:
> Hi,
>
> I have the following struct in C
> ==
> struct DataStruct
> {
> const ch
One way to do this is have an internal implementation like
func generatorImpl(sleep func(time.Duration)) <-chan int
and func generator just calls that one with time.Sleep.
Tests are done against generatorImpl where you know have
detailed control of how much (typically none) time is
actually slept.
And if you use byte[] everywhere rather than string be prepared for lots of
panics and hard to detect bugs. :)
> On Jan 29, 2021, at 8:35 AM, Amnon wrote:
>
> Generally yes.
> As strings are immutable, and []byte is not,
> if you convert from string -> []byte, you need a new copy which can be
On Thu, Jan 28, 2021 at 10:15 PM Christian Worm Mortensen
wrote:
> Suppose I want to unit test this function:
>
> func generator() <-chan int {
> ret := make(chan int)
> go func() {
> for i := 0; i < 10; i++ {
> ret <- i
> time.Sleep(time.Second)
> }
> }()
> return ret
> }
>
> What is a good way
Generally yes.
As strings are immutable, and []byte is not,
if you convert from string -> []byte, you need a new copy which can be
written without changing the original string (which may be referred to
elsewhere).
If you convert from []byte -> string, then you need a new copy so that any
later
Hi,
neither is *always* the case. One example of where no allocation is done is
when converting a []byte into a string to use as a map-index, as long as a)
it is done in one expression and b) the key doesn't have to be stored (i.e.
the access is read-only):
b := []byte{70,111,111}
m := make(map[s
I mean convert using
s := "abcefg"
b := []byte(s)
s2 := string(b)
not convert using some unsafe.Pointer trick.
On Friday, January 29, 2021 at 8:51:57 PM UTC+8 xie cui wrote:
> does convert string to []byte, and convert []byte to string alway alloc
> new space, and the new space is in heap?
>
does convert string to []byte, and convert []byte to string alway alloc new
space, and the new space is in heap?
if it is not, please show some demo codes?
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