Getting the hash of any value easily?

[Brian Schott via Digitalmars-d]

On Thursday, 31 July 2014 at 17:39:43 UTC, H. S. Teoh via 
Digitalmars-d wrote:
> It's about time somebody noticed this!!
>
> Why don't we just expose druntime's core.internal.hash.hashOf() 
> function
> somewhere? It's not as though it isn't already in druntime, so 
> the
> function is already present in the executable, we just need a 
> public
> declaration of it somewhere that users can make use of.
>
> Not to mention, it's already a template function that correctly
> calculates the hash of various built-in types.
>
>
> T

I've often just put "import core.internal.hash;" in my code.

Once we get this solved we need to work on the fact that many 
hash generation functions are not pure. (Object.toHash not being 
pure prevents a lot of containers from being used in pure 
templated code)