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Postings from August 2012
On Wed, Aug 22, 2012 at 7:55 PM, Damian Conway <damian@conway.org> wrote:
>
> Smartmatch (~~) table
> =====================
>
> $a $b Meaning
> ===== =================== ========================
>
> Any ~~-overloaded [1] $b->ol_method($a, 'rev')
> ~~-ol Any [1] $a->ol_method($b)
> Any undef ! defined $a
> Any CodeRef, &{}-ol $b->($a)
> Any Regexp, qr-ol $a =~ $b
> Any unambiguous Num [2] $a == $b
> Any unambiguous Str [3] $a eq $b
> Any Any undef (with fatalizable warning)
>
>
I'm sold on the overloading precedence. I still prefer
Any~~NonReferenceScalar to be "$a eq $b" (with fatalizable warning) and
Any~~AnythingElse can be fatal. I think that minimizes surprise for the
most common case.
But I'm happy for Rik to decide.
-- David
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