gistfile1.txt

$ ./perl6-j -MTest -e'my $intval = val("42"); is +$intval, 42'
ok 1 -
$ ./perl6-j -MTest -e'my $intval = val("42"); isa-ok $intval, Str; is +$intval, 42'
ok 1 - The object is-a 'Str'
not ok 2 -

# Failed test at -e line 1
# expected: '42'
#      got: '1'
$ ./perl6-j -MTest -e'my $intval = val("42"); $intval.^isa(IntStr); say +$intval'
42
$ ./perl6-j -MTest -e'my $intval = val("42"); $intval.isa(IntStr); say +$intval'
1
$ ./perl6-j -MTest -e'my $intval = val("42"); $intval.isa("IntStr"); say +$intval'
42