#!/usr/bin/perl
use strict;
use warnings;
my $s = 'function (foo, bar, some, other) {';
$s =~ s/(?:\G(?!\A),?|function\s*\()\s*\K(\w+)/$1:any/g;
IyEvdXNyL2Jpbi9wZXJsCnVzZSBzdHJpY3Q7CnVzZSB3YXJuaW5nczsKCm15ICRzID0gJ2Z1bmN0aW9uIChmb28sIGJhciwgc29tZSwgb3RoZXIpIHsnOwokcyA9fiBzLyg/OlxHKD8hXEEpLD98ZnVuY3Rpb25ccypcKClccypcSyhcdyspLyQxOmFueS9nOwpwcmludCAkczs=