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+<html>
+<head>
+<title>049.pl</title>
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<script>
+function navigate(e) {
+ var keynum = (window.event) // IE
+ ? e.keyCode
+ : e.which;
+ if (keynum == 8) {
+ window.location = "048" + ".html";
+ return false;
+ }
+ if (keynum == 13 || keynum == 32) {
+ window.location = "050.pl" + ".html";
+ return false;
+ }
+ if (keynum == 73 || keynum == 105) {
+ window.location = "index.html";
+ return false;
+ }
+ return true;
+}
+</script>
+</head>
+<body onkeypress="return navigate(event)">
+<pre>
+ package AtomicMethod::Role::Method;
+ use Moose::Role;
+
+ around wrap =&gt; sub {
+ my ($orig, $self, $body, @args) = @_;
+ my $new_body = sub {
+ warn &quot;locking...\n&quot;; # or something more useful
+ my @ret = $body-&gt;(@_); # TODO: handle context properly
+ warn &quot;unlocking...\n&quot;; # or something more useful
+ return @ret;
+ };
+ $self-&gt;$orig($new_body, @args);
+ };
+
+
+
+
+</pre>
+</body>