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Name: perl-Hash-SafeKeys | Distribution: Mageia |
Version: 0.40.0 | Vendor: Mageia.Org |
Release: 12.mga10 | Build date: Wed Nov 29 15:29:28 2023 |
Group: Development/Perl | Build host: localhost |
Size: 32938 | Source RPM: perl-Hash-SafeKeys-0.40.0-12.mga10.src.rpm |
Packager: tv <tv> | |
Url: https://metacpan.org/release/Hash-SafeKeys | |
Summary: Get hash contents without resetting each iterator |
Every hash variable in Perl has its own internal iterator, accessed by the builtin 'each', 'keys', and 'values' functions. The iterator is also implicitly used whenever the hash is evaluated in list context. The iterator is "reset" whenever 'keys' or 'values' is called on a hash, including the implicit calls when the hash is evaluated in list context. That makes it dangerous to do certain hash operations inside a 'while ... each' loop: while (my($k,$v) = each %hash) { ... @k = sort keys %hash; # Infinite loop! @v = grep { /foo/ }, values %hash; # Ack! print join ' ', %hash; # Run away! } 'Hash::SafeKeys' provides alternate functions to access the keys, values, or entire contents of a hash in a way that does not reset the iterator, making them safe to use in such contexts:
GPL+ or Artistic
* Wed Nov 29 2023 tv <tv> 0.40.0-12.mga10 + Revision: 2011130 - Rebuild for perl-5.38 * Tue Jun 07 2022 umeabot <umeabot> 0.40.0-11.mga9 + Revision: 1861914 - Rebuild for Perl 5.36 * Thu Mar 17 2022 umeabot <umeabot> 0.40.0-10.mga9 + Revision: 1795786 - Mageia 9 Mass Rebuild
/usr/lib/.build-id /usr/lib/.build-id/82 /usr/lib/.build-id/82/8199853ba5cc2de09246f4b9160d9d38e897a1 /usr/lib/perl5/vendor_perl/Hash /usr/lib/perl5/vendor_perl/Hash/SafeKeys.pm /usr/lib/perl5/vendor_perl/auto /usr/lib/perl5/vendor_perl/auto/Hash /usr/lib/perl5/vendor_perl/auto/Hash/SafeKeys /usr/lib/perl5/vendor_perl/auto/Hash/SafeKeys/SafeKeys.so /usr/share/doc/perl-Hash-SafeKeys /usr/share/doc/perl-Hash-SafeKeys/Changes /usr/share/doc/perl-Hash-SafeKeys/META.json /usr/share/doc/perl-Hash-SafeKeys/META.yml /usr/share/doc/perl-Hash-SafeKeys/MYMETA.yml /usr/share/doc/perl-Hash-SafeKeys/README /usr/share/man/man3/Hash::SafeKeys.3pm.xz
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Fabrice Bellet, Fri Aug 23 03:19:57 2024