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Postings from February 2022
2022-2-17 12:31 Tom Molesworth <tom@deriv.com> wrote:
> On Thu, 17 Feb 2022 at 11:19, Yuki Kimoto <kimoto.yuki@gmail.com> wrote:
>
>> In order that the module author pass arguments safely, dual life module "
>> buildin.pm" and the function to pass arguments safely.
>>
>> # Pass arguments safely
>> package Foo;
>>
>> use builtin 'call_cb_safe';
>>
>> sub execute {
>> my ($cb) = @_;
>>
>> # Pass arguments safely
>> call_cb_safe($cb, (1, 2));
>> }
>>
>
> Yes, but this has been covered several times on the list recently.
>
> See https://metacpan.org/pod/Acme::Signature::Arity#coderef_ignoring_extra
> for this specific case - I think your example would look like this:
>
> package Foo;
>
> use Acme::Signature::Arity qw(coderef_ignoring_extra);
>
> sub execute {
> my ($cb) = @_;
>
> # Pass arguments safely
> coderef_ignoring_extra($cb)->(1, 2);
> }
>
> (or use `min_arity`/`max_arity` to apply different rules)
>
>
Tom
Oh, You have already mentioned it.
I understand how to use coderef_ignoring_extra now.
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