Re: toHash => pure, nothrow, const, @safe

[Andrei Alexandrescu]

On 3/12/12 8:15 PM, Stewart Gordon wrote:
On 11/03/2012 23:54, Walter Bright wrote:
Consider the toHash() function for struct key types:
http://dlang.org/hash-map.html

And of course the others:

const hash_t toHash();
const bool opEquals(ref const KeyType s);
const int opCmp(ref const KeyType s);
<snip>

And what about toString?

I think the three others have a special regime because pointers to them 
must be saved for the sake of associative arrays. toString is used only 
generically,

Andrei