This should be possible, because the slice simply contains the address of
the function.
Why the compiler cares what the function will be doing when called ?
Equivalent code will work in several other languages.
On Friday, October 22, 2021 at 2:59:36 PM UTC-3 Jan Mercl wrote:
> testSlice mentions printLen, printLen mentions testSlice. The
> specification explicitly forbids such init cycles.
>
> On Fri, 22 Oct 2021, 19:51 dana...@gmail.com, <dana...@gmail.com> wrote:
>
>> Why do I get an initialization loop in the following program?
>>
>> ```go
>> package main
>> import "fmt"
>> var testSlice = []func(){printLen}
>> func printLen() {
>> fmt.Print(len(testSlice))
>> }
>> func main() {
>> printLen()
>> }
>> ```
>> Playground Link: https://play.golang.org/p/tJenMMaWex6
>> Using go1.17.2
>>
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