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Re: === and array-refs

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From:
Dr.Ruud
Date:
August 16, 2006 16:40
Subject:
Re: === and array-refs
Message ID:
20060816234019.29597.qmail@lists.develooper.com
Larry Wall schreef:
> Dr.Ruud:

>> Comparing strings in Perl5, using NFKD:
>>
>> perl5 -MUnicode::Normalize -we '
>>   ($\, $,) = ("\n", "\t") ;
>>   $x = qq{Henry IV} ;
>>   $y = qq{Henry \x{2163}} ;
>>   print qq{<$x>}, qq{<$y>}, length $x, length $y, $x eq $y ? 1 : 0 ;
>> # $x = NFKD $x ;
>>   $y = NFKD $y ;
>>   print qq{<$x>}, qq{<$y>}, length $x, length $y, $x eq $y ? 1 : 0 ;
>> '
>> Wide character in print at -e line 5.
>> <Henry IV>      <Henry ?.?>     8       7       0
>> <Henry IV>      <Henry IV>      8       8       1
>>
>>
>> How will the Str type do this?
>
> That'd just be:
>
>     eqv($x, $y, :(NFKD $^s))
>
> [...]

Thanks. Is it also possible to define an NKFD_Str type so that you can
code C<$x === $y>, and the NKFD-stuff is done because of the type's
.SKID?  (Can a "type" have a (type-wide) .SKID?)

-- 
Affijn, Ruud

"Gewoon is een tijger."
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