State Machine

[Tim]

On Saturday, 2 January 2021 at 08:29:44 UTC, RSY wrote:
> On Saturday, 2 January 2021 at 05:19:08 UTC, Tim wrote:
>> Hi there,
>>
>> I was wondering if there is a very D approach to making a 
>> state machine. I ask this because I could mangle something 
>> together but if there is a language feature that could make my 
>> life a lot easier or readable then that would be fantastic. 
>> The main thing I'm wondering about is being able to run some 
>> sort of arbitrary code in the form of strings (maybe using 
>> string mixins) as the machine exits a state
>
> I found this on github, that might be what you are looking for: 
> https://github.com/mintyfresh/state-machine
>
> It make uses of mixins, wich looks very nice

Let me explain a little better. I'd love to be able to do this 
sort of thing:

@BeforeTransition("ordered")
{
     int foo = 0;
     ...
}