Front page | perl.perl5.porters |
Postings from January 2014
On 2014-01-28 12:17, Zefram wrote:
> You can't introduce a type distinction into the current
> string type because it would break existing correct code such as
>
> sub decode_latin1 { $_[0] }
> $text_chars = $greeting_chars . decode_latin1($name_octets);
>
> The octet/character distinction is currently purely intensional, and can
> change with no explicit operation in the code. Any labels that attempt
> to track that distinction will therefore get out of synch in existing
> correct code, even if they erase themselves at the first hint of an
> ambiguous process.
So we need a new string type.
use string;
and then let a string be a blessed arrayref, where each element is a
substring, so a bare concatenate is effectively a push.
Each substring can be an object, etc.
--
Ruud
Thread Previous
|
Thread Next