Will Tebbutt

Note: I've not forgotten about this PR. I'm currently swamped with PhD work, and will return to it when I get some time. @paschermayr how urgent is this for you?...

To be honest, I'm not entirely sure. It's dropped off my radar, somewhat, and I'm not going to have time to properly look at it until I've submitted.

Hi @amostof . Thanks for opening the issue. Unfortunately I'm struggling to follow the intent of your code, and I can't run it because there are various undefined functions (`LHCoptim`,...

Sorry for the slow response! It's been a busy couple of months and this dropped off my radar. Unfortunately this isn't completely straightforward to do with ParameterHandling as it currently...

I would also be keen to have this as a feature, thanks for bringing it up!

How would you feel about depending on ParameterHandling once #42 goes in?

In principle I could get on board with this kind of thing. My main concern is that if we choose to make this functionality more widely available it'll be difficult...

> so one might want to have a way to mark parameters as active/constant. We actually already have a way to mark parameters as being constant (see `fixed`), although doing...

I think this would be helpful for the kinds of situations we discussed elsewhere. Specifically, when you want to optimise a subset of your parameters initially with a subset held...

Thanks for opening this. I like the general thrust (getting type stability). I'm concerned about the things you've had to do to get it. In particular, one of the things...