Idea: "Explicit" Data Types

[Christopher Wright]

Craig Black wrote:
> I admit I may know less about stack maps than you, but in the few cases 
> I've read about them, they always speak of them as having a positive 
> impact on performance.  For example, if the GC runs in the middle of a 
> recursive function that doesn't use pointers, there would be a big 
> benefit to this.
> 
> -Craig

True. There are use cases where stack maps would hurt performance, 
though these would be relatively rare and minor.