Perl provides an API via CORE::prototype, that allows you to get a prototype. This is further documented by Sub::Util which is the documented method for working with subs, Sub::Util::prototype, Re...

In Perl, I've always liked the key-value pair style of argument passing, fruit( apples => red ); I do this a lot: sub fruit { my %args = @_; $args{apples} } Purely for compactness and hav...

Caveats associated with prototypes accepted and notwithstanding, can the two below contrived subs exist within the same package, i.e. to provide an optional block parameter like sort does? sub mypr...

This is what I have: use 5.14.0; use strict; use warnings; sub my_func(&$) { my $coderef = shift; my %attribs = @_; } This is what I'd like to achieve: my_func { print 1; } first_attrib...