opHash??

[H. S. Teoh]

On Tue, Apr 10, 2012 at 06:49:07PM -0700, Jonathan M Davis wrote:
> On Tuesday, April 10, 2012 18:44:40 H. S. Teoh wrote:
> > TDPL, p.117, last para:
> > 
> > 	... For a user-defined type to be used as a key in an
> > 	associative array, it must define two special methods, opHash
> > 	and opCmp.
> > 
> > Really? I thought the convention was toHash (TDPL, p.205). So, which is
> > it? Which *should* it be?
> > 
> > To me, it seems utterly arbitrary that classes should use toHash whereas
> > non-class user-defined types should use opHash. Shouldn't we make it
> > consistent across the board?
> 
> I expect that opHash was a mistake and that there should be an errata
> for that line on page 117: http://erdani.com/tdpl/errata/
[...]

Actually, I looked, but it wasn't listed.

Andrei? Is this an error?


T

-- 
Do not reason with the unreasonable; you lose by definition.