Re: Octals

2005-02-22 Thread Juerd
Luke Palmer skribis 2005-02-22 11:40 (-0700): Some time ago on perl6-documentation (when it existed) we decided that octals would now be represented as 0o777 and, in strings, \o777. Should 0777 and, in particular, \777 come with warnings? What, exactly, does \777 mean in a string

Re: Octals

2005-02-22 Thread Larry Wall
On Tue, Feb 22, 2005 at 11:40:23AM -0700, Luke Palmer wrote: : Some time ago on perl6-documentation (when it existed) we decided that : octals would now be represented as 0o777 and, in strings, \o777. Should : 0777 and, in particular, \777 come with warnings? What, exactly, does : \777 mean

Re: Octals

2005-02-22 Thread Uri Guttman
J == Juerd [EMAIL PROTECTED] writes: J And for symmetry, can we get 0d and \d for decimal, for those cases J where you want to be explicit? in a regex \d is a digit, so that isn't a good idea. it would be better to require \0d. the others also need a base designator character so decimals

Re: Octals

2005-02-22 Thread Juerd
Uri Guttman skribis 2005-02-22 14:41 (-0500): in a regex \d is a digit, so that isn't a good idea In a rule, whitespace is a very good disambiguator. it would be better to require \0d. I think nullbyte-d is rather likely to occur. why would we need 0d123 as a literal? Symmetry. 0x10

Re: Octals

2005-02-22 Thread Mark J. Reed
On 2005-02-22 at 14:26:04, Juerd wrote: I think \777 should be chr(777). As should \0d777, should you want to document that it's really not octal. (Important mostly the first year after the first release.) I don't think you can assume it'll only be confusing for a year. For one

Re: Octals

2005-02-22 Thread Larry Wall
On Tue, Feb 22, 2005 at 02:47:53PM -0500, Mark J. Reed wrote: : Incidentally, will \o, \x, and the hypothetical \d still work without : curlies for a certain number of digits but require curlies for larger : numbers? I'd rather see consistency there. Well, we switched to square brackets for

Re: Octals

2005-02-22 Thread Mark J. Reed
On 2005-02-22 at 15:47:08, Larry Wall wrote: Maybe \x is short for \0x and that also gives us \0o, \0d and \0b, plus any other radix we come up with, assuming we decide it isn't overly ambiguous with bare \0. Works for me. So when you really do want a \0 in the middle of a string