On Friday, March 16, 2018 at 3:31:23 PM UTC-4, Axel Wagner wrote:
>
>
>
> On Fri, Mar 16, 2018 at 8:20 PM, T L <tapi...@gmail.com <javascript:>>
> wrote:
>
>>
>>
>> On Friday, March 16, 2018 at 2:57:48 PM UTC-4, Jan Mercl wrote:
>>>
>>> On Fri, Mar 16, 2018 at 7:40 PM T L <tapi...@gmail.com> wrote:
>>>
>>>
>>> > I feel the second append call should be also valid.
>>>
>>> Works as intended: T is not struct{}
>>>
>>> If desired, it can become that: https://play.golang.org/p/nY-BB3t0IAw
>>>
>>>
>>> --
>>>
>>> -j
>>>
>>
>> yes, alias works.
>>
>> Just realize that this is not a "append" specified question.
>> I feel the following one should be also valid.
>>
>
> This is the same question of why you can't convert `[]int` to
> `[]interface{}` - it's a costly operation and Go tends to not hide
> expensive operations from you.
>
Yes. But I think there is a little specialty here.
It is a problem of which viewpoint is right.
1. fmt.Println(1, 2, 3) is a shorthand of fmt.Println([]interface{1, 2,
3}...)
2. fmt.Println(aBlankInterfaceSlice...) is a shorthand of
fmt.Println(aBlankInterfaceSlice[0], aBlankInterfaceSlice[1], ...,
aBlankInterfaceSlice[N])
>
>
>>
>> package main
>>
>> import "fmt"
>>
>> func main() {
>> s := []int{1, 2, 3}
>> fmt.Println(s...)
>> }
>>
>>
>>
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>
>
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