committable6

query

all my $hash = %( wallet => 100, gave => 0, received => 0, ); for ^1 { $hash<wallet gave> Z+= <-1 1> }; say $hash

result

¦«2014.01,2014.02,2014.03.01»:
("wallet" => 100, "gave" => 0, "received" => 0).hash

¦«2014.04,2014.05,2014.06,2014.07,2014.08»:
{"gave" => 0, "received" => 0, "wallet" => 100}

¦«2014.09,2014.10,2014.11,2014.12»:
"gave" => 0, "received" => 0, "wallet" => 100

¦«2015.01.1,2015.02,2015.03,2015.04,2015.05,2015.06,2015.07.2,2015.09,
  2015.10,2015.11,2015.12,2016.01.1,2016.02,2016.03»:
gave => 0, received => 0, wallet => 100

¦«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,HEAD(78aeaf4)»:
{gave => 0, received => 0, wallet => 100}