Re: Counting characters

2010-01-27 Thread Larry Wall
On Wed, Jan 27, 2010 at 01:24:48PM +, Matthew Walton wrote: : On Wed, Jan 27, 2010 at 1:19 PM, Carl Mäsak wrote: : > Mark (>), Carl (>>): : >>> S05 describes tr/// in terms of the .trans function, a handsome but : >>> very different beast. Specifically, it doesn't seem to have a "scalar : >>>

Fwd: Counting characters

2010-01-27 Thread Carl Mäsak
Hm, lost p6l along the way. Forwarding. -- Forwarded message -- From: Carl Mäsak Date: Wed, Jan 27, 2010 at 2:31 PM Subject: Re: Counting characters To: Moritz Lenz Moritz (>), Carl (>>): >> How is "character counting" done in Perl 6? >> >> In Perl 5, it is `scalar tr/CG//` if

Re: Counting characters

2010-01-27 Thread Matthew Walton
On Wed, Jan 27, 2010 at 1:19 PM, Carl Mäsak wrote: > Mark (>), Carl (>>): >>> S05 describes tr/// in terms of the .trans function, a handsome but >>> very different beast. Specifically, it doesn't seem to have a "scalar >>> context", with which one could count things. >> >> What does trans return

Re: Counting characters

2010-01-27 Thread Carl Mäsak
Mark (>), Carl (>>): >> S05 describes tr/// in terms of the .trans function, a handsome but >> very different beast. Specifically, it doesn't seem to have a "scalar >> context", with which one could count things. > > What does trans return in numeric (+) context? As spec'd, it returns the numifica

Re: Counting characters

2010-01-27 Thread Mark J. Reed
What does trans return in numeric (+) context? On Wednesday, January 27, 2010, Carl Mäsak wrote: > 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. > > S05 describes tr/// in terms of the .tr

Counting characters

2010-01-27 Thread Carl Mäsak
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. S05 describes tr/// in terms of the .trans function, a handsome but very different beast. Specifically, it doesn't seem to have a "scalar context",

Are there assignment forms of the indexing postcircumfix operators?

2010-01-27 Thread Carl Mäsak
I was going to submit this as a Rakudo bug report, but I'm not sure it's (a natural consequence of) spec, so I'll ask here on p6l instead. I already know I can do all of the following: $a[42]; $a.postcircumfix:<[ ]>(42); $a = $a.postcircumfix:<[ ]>(42); $a.=postcircumfix:<[ ]>(42); But can I