Head Const

[ZombineDev via Digitalmars-d]

On Tuesday, 16 February 2016 at 08:03:31 UTC, Jonathan M Davis 
wrote:
> ...
> Given that very few optimizations can be made based solely on 
> const (and I'm not sure that the compiler currently does any of 
> them) ...

I think that the fact that we have shared can help a lot in the 
area of optimization.
Taking a non-shared const parameter should be as good as taking 
an immutable one (if the function pure-like - only does 
computation based on the parameter and doesn't escape it).
Or am I missing something?