develooper Front page | perl.perl5.porters | Postings from June 2022

Re: Pre-RFC: yield true feature

Thread Previous | Thread Next
Dan Book
June 7, 2022 15:55
Re: Pre-RFC: yield true feature
Message ID:
On Tue, Jun 7, 2022 at 11:53 AM Eric Brine <> wrote:

> On Tue, Jun 7, 2022 at 1:59 AM Tony Cook <> wrote:
>> There would be no change for "do", it doesn't require truthiness.
> C<do> actually does require the return of a true value if you want to
> detect failures.
> do(...) or die $!;   # File not found, etc
> die $@ if $@;        # Syntax error, runtime exception, etc
That's only due to the deficiencies of the do() API and the convention you
wrote - not an intrinsic part of the API. do can still be used on a file
that returns false if you don't perform that particular check.


Thread Previous | Thread Next Perl Programming lists via nntp and http.
Comments to Ask Bjørn Hansen at | Group listing | About