bisectable6

query

my $a = "(b)"; my $b = $a.encode; $b.^name.say; use NativeCall; my $ca = CArray[uint8].new($b)

result

¦«2015.12»:
utf8
This representation (VMArray) cannot unbox to a native int
  in method <anon> at /tmp/whateverable/rakudo-moar/ec386e5ff54a6e8028e74092d1a41cfccdc531d2/share/perl6/sources/329281433731292E02152E58660D2B294476C66A line 83
  in method new at /tmp/whateverable/rakudo-moar/ec386e5ff54a6e8028e74092d1a41cfccdc531d2/share/perl6/sources/329281433731292E02152E58660D2B294476C66A line 194
  in block <unit> at /tmp/KIKlz5yp63 line 1

 «exit code = 1»
¦«2016.01.1»:
utf8
This representation (VMArray) cannot unbox to a native int
  in method <anon> at /tmp/whateverable/rakudo-moar/f033f2bd3a5e57d7e14f03f34c83782cf04aae1a/share/perl6/sources/D57DE2EF74B56D825F14A3B5B0E6402D49B53D5B line 83
  in method new at /tmp/whateverable/rakudo-moar/f033f2bd3a5e57d7e14f03f34c83782cf04aae1a/share/perl6/sources/D57DE2EF74B56D825F14A3B5B0E6402D49B53D5B line 194
  in block <unit> at /tmp/KIKlz5yp63 line 1

 «exit code = 1»
¦«2016.02»:
utf8
This representation (VMArray) cannot unbox to a native int
  in method new at /tmp/whateverable/rakudo-moar/280a487eb3152a7ab7e4174d10f2974de4809d78/share/perl6/sources/51E302443A2C8FF185ABC10CA1E5520EFEE885A1 line 166
  in block <unit> at /tmp/KIKlz5yp63 line 1

 «exit code = 1»
¦«2016.03,2016.04,2016.05,2016.06,2016.07.1,2016.08.1,2016.09,2016.10,
  2016.11,2016.12,2017.01,2017.02,2017.03,2017.04.3,2017.05,2017.06,
  2017.07,2017.08,2017.09,2017.10,2017.11,2017.12,2018.01,2018.02.1,
  2018.03,2018.04.1,2018.05,2018.06,2018.08,2018.09,2018.10,2018.11,
  2018.12,2019.03.1,2019.07.1,2019.11,2020.01,2020.02.1,2020.05.1,2020.06,
  2020.07,2020.08.2,2020.09,2020.10,2020.11,2020.12,2021.02.1,2021.03,
  2021.04,2021.05,2021.06,2021.07,2021.08,2021.09,2021.10,2021.12,2022.02,
  2022.03,2022.04,2022.06,2022.07,2022.12,2023.02,2023.04,2023.05,2023.06,
  2023.08,2023.09,2023.10,2023.11,2023.12»:
utf8

¦«2024.01,2024.02,2024.03,2024.04»:
utf8
Saw 1 occurrence of deprecated code.
================================================================================
The PERL6LIB environment variable being set, support will be removed with v6.e.
Please use RAKULIB instead.
--------------------------------------------------------------------------------
Please contact the author to have these occurrences of deprecated code
adapted, so that this message will disappear!

¦«HEAD(dc172ab)»:
utf8
This representation (VMArray) does not support attribute storage (for type utf8)
  in method new at /tmp/whateverable/rakudo-moar/dc172ab5e08e76fdff5c8343bc672989d799d8b0/share/perl6/core/sources/8A1789A97523B057340ADD4E705DFDA1F6CD45A7 (NativeCall::Types) line 410
  in block <unit> at /tmp/KIKlz5yp63 line 1

Saw 1 occurrence of deprecated code.
================================================================================
The PERL6LIB environment variable being set, support will be removed with v6.e.
Please use RAKULIB instead.
--------------------------------------------------------------------------------
Please contact the author to have these occurrences of deprecated code
adapted, so that this message will disappear!
 «exit code = 1»