=item can ( METHOD )
C<can> checks if the object has a method called C<METHOD>. If it does
-then a reference to the sub is returned. If it does not the I<undef>
+then a reference to the sub is returned. If it does not then I<undef>
is returned.
C<can> can be called as either a static or object method call.
(W) You probably said %hash{$key} when you meant $hash{$key} or @hash{@keys}.
On the other hand, maybe you just meant %hash and got carried away.
-=item Died.
+=item Died
(F) You passed die() an empty string (the equivalent of C<die "">) or
you called it with no args and both C<$@> and C<$_> were empty.
of Perl. Check the E<lt>#!E<gt> line, or manually feed your script
into Perl yourself.
-=item Warning: something's wrong.
+=item Warning: something's wrong
(W) You passed warn() an empty string (the equivalent of C<warn "">) or
you called it with no args and C<$_> was empty.
return a blessed reference of some sort. The reference can be used to
hold some internal information.
- sub TIEHANDLE { print "<shout>\n"; my $r; bless \$r, shift }
+ sub TIEHANDLE { print "<shout>\n"; my $i; bless \$i, shift }
=item PRINT this, LIST