split gives incorrect results when splitting a number with the :skip-empty adverb

[p6rt]

Migrated from rt.perl.org#129242 (status was 'resolved')

Searchable as RT129242$

[p6rt]

From @dogbert17

Tested with​:

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -v
This is Rakudo version 2016.08.1-151-g20ed9e2 built on MoarVM version
2016.08-43-g3d04391
implementing Perl 6.c.

# the problem

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -e 'dd
123456.split("", :skip-empty)'
("", "1", "2", "3", "4", "5", "6", "")

# as can be seen the result contains two empty strings
# compare with

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -e 'dd
"123456".split("", :skip-empty)'
("1", "2", "3", "4", "5", "6")

# some discussion on irc, contains results from bisectable, commitable etc

http://irclog.perlgeek.de/perl6/2016-09-10#i_13184978

/dogbert17

[p6rt]

From @zoffixznet

Thanks for the report.

It appears all of .split's adverbs were broken on Cool, including the .split(@​needles) call form.

Fixed in rakudo/rakudo@b771bcc
Tests added in Raku/roast@060cf7a

On Sat Sep 10 09​:01​:27 2016, jan-olof.hendig@​bredband.net wrote​:

Tested with​:

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -v
This is Rakudo version 2016.08.1-151-g20ed9e2 built on MoarVM version
2016.08-43-g3d04391
implementing Perl 6.c.

# the problem

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -e 'dd
123456.split("", :skip-empty)'
("", "1", "2", "3", "4", "5", "6", "")

# as can be seen the result contains two empty strings
# compare with

dogbert@​dogbert-VirtualBox ~/.rakudobrew/moar-nom $ perl6 -e 'dd
"123456".split("", :skip-empty)'
("1", "2", "3", "4", "5", "6")

# some discussion on irc, contains results from bisectable, commitable etc

http://irclog.perlgeek.de/perl6/2016-09-10#i_13184978

/dogbert17

[p6rt]

The RT System itself - Status changed from 'new' to 'open'

[p6rt]

@zoffixznet - Status changed from 'open' to 'resolved'