Perl6 RFC Librarian <[EMAIL PROTECTED]> writes:
> =head1 DESCRIPTION
>
> At present C<index> only returns the index of the first occurrence of a
> specified substring. It is proposed that C<index> take a fourth parameter
> telling it which occurrence of a specified substring to locate:
>
> $first = index $string, $substring, 0, 1; # first occurrence
> $first = index $string, $substring, 0, 2; # second occurrence
> $first = index $string, $substring, 0, 3; # third occurrence
>
> If omitted, this fourth parameter would default to 1, thus preversing
> the current behaviour.
>
> The C<rindex> function would be unnecessary, being replaced by:
>
> $last = index $string, $substring, -1, -1; # last occurence
Err... shouldn't that be
$last = index $string, $substring, 0, -1 # last occurrence
$first = index $string, $substring, -1, -1 # first occurrence found
# in a perverse way
Or am I seeing double negatives where I shouldn't?
--
Piers
