On Mon, Sep 02, 2019 at 09:29:39AM -0400, Stefan Monnier wrote:
> > is there a recommended way to replace element x at index i of somelist 
> > y by newelement?
> 
> What Thomas is hinting at with his "copy-list" and "functional sector"
> is that if you need to do that, there's a problem upstream.
> E.g. could you use a struct instead of a list?

Thanks for putting my mumbling into civilised words :-)

Cheers
-- t