New comment by tranzystorek-io on void-packages repository

https://github.com/void-linux/void-packages/pull/42656#issuecomment-1459937395

Comment:
> > I haven't checked if there's any convenient mechanism for concatenating arrays
> 
> for the same array, just `foo+=(new_element)`, for different:
> 
> ```shell
> $ foo=(foo bar baz)
> $ bar=("${foo[@]}" idk)
> $ declare -p foo
> declare -a foo=([0]="foo" [1]="bar" [2]="baz")
> $ declare -p bar
> declare -a bar=([0]="foo" [1]="bar" [2]="baz" [3]="idk")
> ```

Hm, for me the added explicitness of `"${foo[@]}"` is a plus, but probably not everyone would agree.