committable6

query

releases my \a = from-json('[]'); say a.elems ~ " and " ~ a[0].elems;

result

¦«2015.12,2016.01.1,2016.02,2016.03,2016.04»:
0 and 1

¦«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»:
0 and 1
Saw 1 occurrence of deprecated code.
================================================================================
Sub from-json (from GLOBAL) seen at:
  /tmp/bZiZf8qg3H, line 1
Please use JSON::Fast, JSON::Tiny or JSON::Pretty from https://modules.perl6.org/ instead.
--------------------------------------------------------------------------------
Please contact the author to have these occurrences of deprecated code
adapted, so that this message will disappear!

¦«2020.01,2020.02.1,2020.05.1,2020.06,2020.07,HEAD(b60e163)»:
0 and 1
Saw 1 occurrence of deprecated code.
================================================================================
Sub from-json (from GLOBAL) seen at:
  /tmp/bZiZf8qg3H, line 1
Please use JSON::Fast, JSON::Tiny or JSON::Pretty from https://modules.raku.org/ instead.
--------------------------------------------------------------------------------
Please contact the author to have these occurrences of deprecated code
adapted, so that this message will disappear!