If anyone is curious how much simpler these commands can make your code, check out this CSLIB patch: Simplify code with array creation commands by CareyJWilliams · Pull Request #48 · ChoicescriptIDE/cslib · GitHub
That’s a nett reduction of 164 lines of code, without losing any functionality! 
I personally think the readability improves a lot as well, in most cases at least.
The only thing I thought when writing that is that perhaps I should have included a *set_array as well …, oh well, next time, maybe 