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+<html>
+<head>
+<title>046.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 = "045" + ".html";
+ return false;
+ }
+ if (keynum == 13 || keynum == 32) {
+ window.location = "047.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 FileAttributes;
+ use Moose::Exporter;
+ use MooseX::Types::Path::Class qw(File);
+
+ Moose::Exporter-&gt;setup_import_methods(
+ with_meta =&gt; ['has_file'],
+ );
+
+ sub has_file {
+ my ($meta, $name, %options) = @_;
+ $meta-&gt;add_attribute(
+ $name,
+ is =&gt; 'ro',
+ isa =&gt; File,
+ coerce =&gt; 1,
+ %options,
+ );
+ }
+</pre>
+</body>