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MyASPN >> Mail Archive >> perl6-language
perl6-language
Re: proposal: binding with a function
by Juerd other posts by this author
Jun 23 2005 8:03AM messages near this date
Re: proposal: binding with a function | Re: proposal: binding with a function
Piers Cawley skribis 2005-06-23 15:30 (+0100):
>  Brent 'Dax' Royal-Gordon <brentdax@[...].com> writes:
>  > As I've said before, Perl supports `alias`--it's just spelled `:=`.
>  Here's a rubyish idiom:
>    my &old_behaviour := &function;
>    &function := sub { try_some_stuff || &old_behaviour }
>  Except, with binding it doesn't work like that, you end up with an infinite
>  loop. 

I still think subs should have a value, than can be copied :)

    my &old_behaviour = &function;
    &function = sub { try_something || &old_behaviour };


Juerd
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