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  1. or download this
    my $profile = {
      required => qw[my_name],
    ...
        }
      }
    }
    
  2. or download this
    $code =<<'END'
        my $dfv = shift;
    ...
    ;
    my $profile->{constraint_methods}{my_name} = sub { eval $code }; # Doe
    +s not work
    
  3. or download this
    my $profile->{constraint_methods}{my_name} = sub { use Data::Dump qw(d
    +ump); warn "PARAMS " . dump(@_) . "\n"; eval $code }; # Does not work