in reply to Re^2: Is there a Perl API (XS) for ->can ?
in thread Is there a Perl API (XS) for ->can ?
You have to read between the lines a little bit, but the last large block of text in the EXPORTS section explains why calling isa as a function can give you the wrong results. The same reasoning applies to calling can as a function.
In Section
Seekers of Perl Wisdom