like($@, qr!exactly\s+one\s+key/value\s+pair!, 'recall hashref with 2 pairs croaks');
eval { recall 'hlagh' };
like($@, qr/^Undefined\s+subroutine/, 'recall <unknown> croaks');
like($@, qr!exactly\s+one\s+key/value\s+pair!, 'recall hashref with 2 pairs croaks');
eval { recall 'hlagh' };
like($@, qr/^Undefined\s+subroutine/, 'recall <unknown> croaks');