Thanks, this is exactly what I was looking for.
On Saturday, October 15, 2016 at 4:08:48 PM UTC+3, Yichao Yu wrote:
>
>
>
> On Sat, Oct 15, 2016 at 8:59 AM, Andrei Zh <faithle...@gmail.com
> <javascript:>> wrote:
>
>> What is the most straightforward way to make a variable in the global
>> scope that can change it's value, but not its type? So far I use this:
>>
>> const GLOBAL_VAR = [MyType[]] # array with single element
>>
>> set_global_var(x::MyType) = GLOBAL_VAR[1] = x
>> get_goval_var() = GLOBAL_VAR[1]
>>
>> This works fine and preserves type stability, but looks quite
>> unintuitive. Is there more standard container or another way (e.g. type
>> assertions or something) to handle such cases?
>>
>
> Use `const GLOBAL_VAR = Ref{MyType}()` and `GLOBAL_VAR[]`. The plan is
> that this will essentially be how a typed non-const global be implemented
> in the future.
>
>
>
