address 'address' issue #872

Author: dpvc

lib/Value.pm

@@ -267,13 +267,12 @@ sub inContext { my $self = shift; $self->context(@_); $self }
 
 #############################################################
 
-#
 #
 #  The address of a Value object (actually ANY perl value).
 #  Use this to compare two objects to see of they are
 #  the same object (avoids automatic stringification).
 #
-sub address { oct(sprintf("0x%p", shift)) }
+sub address { Scalar::Util::refaddr(shift) }
 
 sub isBlessed    { (Scalar::Util::blessed(shift) // '') ne "" }
 sub blessedClass { Scalar::Util::blessed(shift) }

macros/answers/answerHints.pl

@@ -200,12 +200,12 @@ sub Compare {
 	$ans->{ans_message} = $ans->{error_message} = "";
 	$ans->{score}       = 0;
 
-	if (sprintf("%p", $self) ne sprintf("%p", $ans->{correct_value})) {
+	if ($self->address != $ans->{correct_value}->address) {
 		$ans->{correct_ans}     = $self->string;
 		$ans->{correct_value}   = $self;
 		$ans->{correct_formula} = Value->Package("Formula")->new($self);
 	}
-	if (sprintf("%p", $other) ne sprintf("%p", $ans->{student_value})) {
+	if ($other->address != $ans->{student_value}->address) {
 		$ans->{student_ans}     = $other->string;
 		$ans->{student_value}   = $other;
 		$ans->{student_formula} = Value->Package("Formula")->new($other);