Hm, lost p6l along the way. Forwarding. ---------- Forwarded message ---------- From: Carl Mäsak <cma...@gmail.com> Date: Wed, Jan 27, 2010 at 2:31 PM Subject: Re: Counting characters To: Moritz Lenz <mor...@faui2k3.org>
Moritz (>), Carl (>>): >> How is "character counting" done in Perl 6? >> >> In Perl 5, it is `scalar tr/CG//` if I want to count the number of Cs >> plus the number of Gs in a string. > > +$str.comb(/<[GC]>/) > > Probably not as efficient as in Perl 5, though Heh, the thought about .comb seemed to occur to a lot of people (including me) at the same time. Thanks. :) Recognizing a lone character class inside a literal regex in a comb call whose result gets immediately numified sounds to me like an excellent use case for a sufficiently cunning optimizer. :) // Carl
