Use Perl 5.36 Subroutine Signatures for Cleaner Parameter Handling
Replace manual @_ shifting with stable subroutine signatures in Perl 5.36+, including defaults and slurpy parameters, with caveats for type validation.
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perlPerl Subroutine Signatures: Ditch the @_ Boilerplate Without Breaking Production
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.
Perl Subroutine Signatures: Cleaner Parameters Since 5.36
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.