pureity of closures

[Shammah Chancellor via Digitalmars-d]

On 2015-03-23 09:45:39 +0000, Dicebot said:

> I think this was not intended and is simply a side effect of limited D 
> call graph analysis. Relaxing that limitation makes sense to me because 
> unused impure function can be used for compile-time reflection or 
> returned from pure function as a result (you need to ensure it does not 
> capture pure functions as closure context in that case)

Pure functions returning impure functions.  *BOOM* My brain just exploded.

-Shammah