ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Languages & runtimes · #perl
Replace manual @_ unpacking with stable subroutine signatures in Perl 5.36, but check your interpreter version first.
Stop mojibake and wide-character warnings in Perl by setting default UTF-8 layers with the open pragma across standard handles and file I/O.
Perl's subroutine signatures are stable since 5.36. Here's what they replace, how arity checking catches silent bugs, and when @_ unpacking is still the right call.
A decision guide for Perl exception handling: compare eval/die, Try::Tiny, and the core try/catch feature, then validate your choice with a destructor-unwinding test.
A decision guide for Perl sorting: when the plain built-in sort is enough and when the Schwartzian transform pays off, with code, benchmarks, and memory trade-offs.
Stop cluttering your Perl scripts with manual newline characters. Learn how to use the Perl 'say' operator to simplify output, handle filehandles, and avoid namespace conflicts.
Perl 5.36 made subroutine signatures stable. They replace manual @_ unpacking with declared parameters, default values, and runtime arity checks — cutting boilerplate and catching call-site errors early. A worked config-loader example shows slurpy hashes and lazy defaults, plus the trade-offs.
Subroutine signatures in Perl 5.36 replace manual @_ unpacking with declarative parameter lists, explicit defaults, slurpy collection, and runtime arity checks.
A practical comparison of Perl exception-handling options across Perl versions, with a compact table and a concrete helper pattern you can validate today.