Source: libmoosex-setonce-perl Maintainer: Debian Perl Group Uploaders: Ansgar Burchardt , gregor herrmann Section: perl Priority: optional Build-Depends: debhelper-compat (= 13) Build-Depends-Indep: perl, libmoose-perl, libtest-fatal-perl, perl | libtest-simple-perl, libtry-tiny-perl Standards-Version: 3.9.4 Vcs-Browser: https://salsa.debian.org/perl-team/modules/packages/libmoosex-setonce-perl Vcs-Git: https://salsa.debian.org/perl-team/modules/packages/libmoosex-setonce-perl.git Homepage: https://metacpan.org/release/MooseX-SetOnce Testsuite: autopkgtest-pkg-perl Package: libmoosex-setonce-perl Architecture: all Depends: ${misc:Depends}, ${perl:Depends}, libmoose-perl, libtry-tiny-perl Enhances: libmoose-perl Description: module providing write-once, read-many attributes for Moose MooseX::SetOnce provides the SetOnce attribute which lets your class have attributes that are not lazy and not set, but that cannot be altered once set. . The logic is very simple: if you try to alter the value of an attribute with the SetOnce trait, either by accessor or writer, and the attribute has a value, it will throw an exception. . If the attribute has a clearer, you may clear the attribute and set it again.