#Golf tentative

#!/usr/bin/env raku
my %vmis_pts{Any};
%vmis_pts = (
    '30_22-44_76' => 1,
    '31_12-47_16' => 1,
    '41_22-44_76' => 1,
    '130_22-44_77' => 1,
    '30_22-44_78' => 1,
    '30_22-44_79' => 1,
    '30_2-14_76' => 1,
    '3_22-44_36' => 1,
    '30_21-44_96' => 1,
    '80_29-42_66' => 1,
    '100_20-44_76' => 1,
    '300_21-24_71' => 1,
    '39_2-4_73' => 1,
);

my Str @strings = (
    'fkdslqfj',
    'jkfdfds',
    'yuirefd',
    'vcxbwn',
    'jfdkslfdsds',
    'fjdkslmfd',
    'rztea  yea',
    'opfshffdad',
    'fdsfdff',
    'jfdsfd',
    'qsdjkmyuozer',
    'oeyfjglh',
    'fswvnpmkgd',
    'sufogkjdgsfdydf',
);
my $n = 0;
for %vmis_pts.keys -> $k {
    my $match = $k.match(/^ \d+ '_' (\d+) '-' \d+ '_' (\d+) $/);
      if $match  {
           %vmis_pts{@strings[$n++]} = 1;
      }
  }


say %vmis_pts;



Ramdomly i get this error:

Invocant of method 'match' must be a type object of type 'Any', not an
object instance of type 'ForeignCode'.  Did you forget a 'multi'?
  in block <unit> at ./bug_memoire.raku line 37

What is strange is randomly!!!