package attributes;
-$VERSION = 0.03;
+our $VERSION = 0.04;
@EXPORT_OK = qw(get reftype);
@EXPORT = ();
#
# The extra trips through newATTRSUB in the interpreter wipe out any savings
# from avoiding the BEGIN block. Just do the bootstrap now.
-BEGIN { bootstrap }
+BEGIN { bootstrap attributes }
sub import {
@_ > 2 && ref $_[2] or do {
feature. The semantics of such declarations could change or be removed
in future versions. They are present for purposes of experimentation
with what the semantics ought to be. Do not rely on the current
-implementation of this feature.
+implementation of this feature. Variable attributes are currently
+not usable for tieing.
There are only a few attributes currently handled by Perl itself (or
directly by this module, depending on how you look at it.) However,
as described there. It also means that a subroutine so marked
will not trigger the "Ambiguous call resolved as CORE::%s" warning.
+=item lvalue
+
+Indicates that the referenced subroutine is a valid lvalue and can
+be assigned to. The subroutine must return a modifiable value such
+as a scalar variable, as described in L<perlsub>.
+
=back
There are no built-in attributes for anything other than subroutines.