use Perl6::Form;

warn "\n";
warn "[>>>>>>.<<<]\n";
warn form '[{>>{10.3}>>.<<}]', 1.2345678;
warn form '[{>>>>.<{10.3}<}]', 1.2345678;

warn "\n";
warn      "[>>>>>>>>>.<<<<<<<<<]\n";
warn form '[{>(20.10).<<<<<<<<<}]', 1.23456789;
warn form '[{(20.10)>.<<<<<<<<<}]', 1.23456789;
warn form '[{>>>>>>>>.(20.10)<<}]', 1.23456789;
warn form '[{>>>>>>>>.<(20.10)<}]', 1.23456789;
warn form '[{>>>>>>>>.<<(20.10)}]', 1.23456789;

warn "\n";
warn      "[>>>>>>>>>>.<<<<<<<]\n";
warn form '[{>>>>>>>>>.(18.7)}]', 1.23456789;

warn "\n";
warn      "[.<<<<<<<<<<]\n";
warn form '[{>>{11.10}>.<<<<<}]', 1.2345678901;
warn form '[{>>{11.10}>.<<<<<}]', 0.2345678901;
warn form '[{>>{11.10}>.<<<<<}]', 0.234567891;

warn "\n";
warn      "[>>>>><<<<<]\n";
warn form '[{||(10)||}]', "oops!";

warn "\n";
warn      "[>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<]\n";
warn form '[{||||||{50+}||}]', "oops!";
warn form '[{||||||{50+}||}]', "oops!"x50;

warn "\nErrors:\n";
eval { warn form '[{>>{11}>.<<<{10}<<}]', 1.2345678901 } || warn $!; 
eval { warn form '[{|||(10)|||}]', "oops!" } || warn $!;

eval { warn form '[{>(19.10).<<<<<<<<<}]', "1.23456789!" } || warn $!;

eval { warn form '[{>>>>>>>.<(9.10)<<}]', "1.23456789!" } || warn $!;

eval { warn form '[{>>>>>>>>.<(10.10)<}]', "1.23456789!" } || warn $!;

eval { warn form '[{>>{9.10}>>.<<<<<}]', "1.23456789!" } || warn $!;

eval { warn form '[{>>>>.<<<{10.10}<<}]', "1.23456789!" } || warn $!;