in other languages.
> 1. https://golang.org/doc/faq#exceptions
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s the
ideomatic and good way in Go. That's very strange to me, and from
reading about Go around the net, strange to a lot of people.
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much more room there is beyond
the length. If you set the capacity to the length, the next call to
append will conclude that there's no space in the underlying array and
proceed to allocate a new array, copy the data from the slide to the
new array, and return a slice into this new array.
Hi Chad,
On Sat, Jul 2, 2016 at 10:43 AM, Chad wrote:
>
> On Saturday, July 2, 2016 at 10:23:04 AM UTC+2, Martin Geisler wrote:
>>
>> On Fri, Jul 1, 2016 at 4:01 PM, Chad wrote:
>>>
>>> On Friday, July 1, 2016 at 3:44:10 PM UTC+2, Martin Geisler wrote:
>
and the kind of optimization the compiler can do when
it knows the implementation of map and string. However, it shouldn't
be part of the language specification.
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On Fri, Jul 1, 2016 at 4:01 PM, Chad wrote:
>
>
> On Friday, July 1, 2016 at 3:44:10 PM UTC+2, Martin Geisler wrote:
>>
>> On Fri, Jul 1, 2016 at 12:52 PM, Chad wrote:
>> > However, that it's a valid point you raise (re strings)
>> > But that&#
x27;s similarly sized.
I'm very new to Go, so please let me know if I'm missing anything?
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On Fri, Jul 1, 2016 at 12:48 PM, Chad wrote:
> On Friday, July 1, 2016 at 12:11:43 PM UTC+2, Martin Geisler wrote:
>>
>> On Fri, Jul 1, 2016 at 3:15 AM, Chad wrote:
>> > No, it's actually fine. You are comparing values.
>> >
>> > A slice bein
strings can.
Two strings (that are not slices from the same original string) can be
compared for equality just fine. I hope Go takes the shortcut when the
strings refer to the same memory and otherwise does the slower
per-byte comparison. The same could perhaps apply to slices in
general.
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Hi Ian,
On Mon, Jun 27, 2016 at 8:18 PM, Ian Lance Taylor wrote:
> On Sun, Jun 26, 2016 at 10:55 PM, Dan Kortschak
> wrote:
>> On Mon, 2016-06-27 at 07:49 +0200, Martin Geisler wrote:
>>> BTW, I was about to say that you could simplify the line one step
>>> furthe
e point in the past : the
> clock, the randomness sources, and you can't make outgoing requests to
> import randomness from the network.
I found this blog post with a lot more background information:
https://blog.golang.org/playground
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Hi Val
On Fri, Jun 24, 2016 at 2:48 PM, Val wrote:
> 2 implementations here :
> http://www.programming-idioms.org/idiom/10/shuffle-a-list/1564/go
>
> As for the map iteration trick, the runtime doesn't guarantee to randomize
> anything, although it often tries to, so developers don't rely on some
to me
since the second (middle) index has a useful default (len(a)) that is
used when there are only two indexes used.
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in b.
In your example you were "lucky" since you started with a = [1, 2] and
cap(a) = 2. When you create b, append notices that the capacity is
exhausted and *creates a new underlying array for b*. After that step,
a and b are no longer "entangled" like this and updates to one c
ate indexes into the map. Use these
indexes to swap elements and permute the array as Konstantin mentioned
(https://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
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