eal/CBOR/Types::Serialiser protocol
sub THAW { return path( $_[2] ) }
{ no warnings 'once'; *TO_JSON = *FREEZE = \&stringify };
my $HAS_UU; # has Unicode::UTF8; lazily populated
sub _check_UU {
pena_utf8 openw_utf8 openrw_utf8
openr_raw opena_raw openw_raw openrw_raw
IS_WIN32 FREEZE THAW TO_JSON abs2rel
=head1 EXCEPTION HANDLING
Simple usage errors will generally croak. Failures of underl