Most of the remainder of this post is asciidoc source, because that's easy
to quote. If you want to look at a nicely rendered version, see
https://gitlab.com/esr/reposurgeon/blob/master/GoNotes.adoc
= Notes on the Go translation of Reposurgeon =
version 1.8, 2020-01-25
This is an experience re
Thank you Ian.
Best regards,
Michael
> On 24. Jan 2020, at 22:19, Ian Lance Taylor wrote:
>
> On Fri, Jan 24, 2020 at 1:10 PM 'Michael Stiller' via golang-nuts
> wrote:
>>
>> playing around with tamago i noticed that if i compile with this command:
>>
>> GO_EXTLINK_ENABLED=0 CGO_ENABLED=0
Very insightful.
I am relatively new to go, but I would like to make a few observations.
1. When the issue of keyword arguments has come up before, usually someone
suggests passing a struct as the function argument. Did you try this? It
might be worth mentioning in your analysis, if only to g
Very in-depth and interesting.
Although I agree with most of the points, I think a better use of interfaces
would address some of your concerns, and have more maintainable code.
Whenever I see a type switch it screams to me “use an interface and
restructure. “
>> On Jan 25, 2020, at 4:43 AM
When i change the value U at 0 index , It changes the value of t and u at
zero index why it is not changing the value of S. Please Explain I got
stuck here.
package main
import (
"fmt"
)
func main() {
var s []int
var t []int
s= make([]int,3)
s[0]=100
s[1]=200
s[2]=300
t=append(s,400)
fmt
On Sat, Jan 25, 2020 at 9:55 AM Kaleemullah Software Engineer
wrote:
>
>
> When i change the value U at 0 index , It changes the value of t and u at
> zero index why it is not changing the value of S. Please Explain I got stuck
> here.
>
>
>
>
> package main
>
> import (
> "fmt"
> )
>
> func mai
On Sat, Jan 25, 2020 at 9:15 AM burak serdar wrote:
>
> On Sat, Jan 25, 2020 at 9:55 AM Kaleemullah Software Engineer
> wrote:
> >
> >
> > When i change the value U at 0 index , It changes the value of t and u at
> > zero index why it is not changing the value of S. Please Explain I got
> > stu
On Saturday, January 25, 2020 at 10:04:19 AM UTC-5, Robert Engels wrote:
>
> Whenever I see a type switch it screams to me “use an interface and
> restructure. “
>
You may be right. On the other hand, I think I've already gone far enough
down the interface road to have collected most of the ga
On Saturday, January 25, 2020 at 5:43:24 AM UTC-5, Brian Candler wrote:
>
> 1. When the issue of keyword arguments has come up before, usually someone
> suggests passing a struct as the function argument. Did you try this? It
> might be worth mentioning in your analysis, if only to give an ex
Hi all, I'm trying to learn how to write a linter (because long weekend,
etc)
I looked at Fatih's very fine blog post (
https://arslan.io/2019/06/13/using-go-analysis-to-write-a-custom-linter/)
as well as the one that precedes it, although I was a LOT lost reading that
one.
Copying and pasting
https://play.golang.org/p/87bDubJxjHO
I'd like to truncate a float64 to just 2 decimal places (in base 10), but
math.Trunc is not helping me here... ideally I put 0.29 in and I get 0.29
out.
Suggestions? Playground examples appreciated.
package main
import (
"fmt"
"math"
)
// truncate off e
You've fallen into a common trap. Base 2 floating point values cannot
represent most decimal values precisely. This is why you should never,
ever, do a simple equality test involving a F.P. value derived from a
calculation. You always have to apply an epsilon to define a range within
which the two
Picking the first decimal library on pkg.go.dev, what about
https://play.golang.org/p/Co96HKlvSMp ?
On Sat, Jan 25, 2020 at 7:34 PM Kurtis Rader wrote:
> You've fallen into a common trap. Base 2 floating point values cannot
> represent most decimal values precisely. This is why you should never,
Floating point math has many
pitfalls. https://play.golang.org/p/LK0lla8hM9w See also
https://0.30004.com/
s
On Saturday, January 25, 2020 at 7:14:15 PM UTC-8, Jason E. Aten wrote:
>
>
> https://play.golang.org/p/87bDubJxjHO
>
> I'd like to truncate a float64 to just 2 decimal plac
On Sat, Jan 25, 2020 at 9:26 PM wrote:
> Floating point math has many pitfalls.
> https://play.golang.org/p/LK0lla8hM9w See also
> https://0.30004.com/
>
I was not aware of URL https://0.30004.com/. Like the XY
problem URL, http://xyproblem.info/, the URL you cited is ano
On Sat, 25 Jan 2020 19:14:15 -0800 (PST)
"Jason E. Aten" wrote:
>
> https://play.golang.org/p/87bDubJxjHO
>
> I'd like to truncate a float64 to just 2 decimal places (in base 10),
> but math.Trunc is not helping me here... ideally I put 0.29 in and I
> get 0.29 out.
> Suggestions? Playground e
You can use github.com/robaho/fixed :)
> On Jan 25, 2020, at 11:40 PM, Jamil Djadala wrote:
>
> On Sat, 25 Jan 2020 19:14:15 -0800 (PST)
> "Jason E. Aten" wrote:
>
>>
>> https://play.golang.org/p/87bDubJxjHO
>>
>> I'd like to truncate a float64 to just 2 decimal places (in base 10),
>> but
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