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    <p>I was going to say you forgot the <code>package Dice</code> in your <code>Dice.pm</code>, but after reading up on Moops I am confused about the namespaces. </p> <p>Let's take a look at the <a href="https://metacpan.org/pod/Moops" rel="nofollow">documentation for Moops</a>.</p> <blockquote> <p>If you use Moops within a package other than main, then package names used within the declaration are "qualified" by that outer package, unless they contain "::". So for example:</p> <pre><code>package Quux; use Moops; class Foo { } # declares Quux::Foo class Xyzzy::Foo # declares Xyzzy::Foo extends Foo { } # ... extending Quux::Foo class ::Baz { } # declares Baz </code></pre> </blockquote> <p>If the <code>class Dice</code> is in <code>Dice.pm</code> it will actually become <code>Dice::Dice</code> if I read this correctly. So you would have to <code>use Dice</code> and create your object with <code>Dice::Dice-&gt;new</code>.</p> <p>In order to make the package <code>Dice</code> within <code>Dice.pm</code> using Moops, I believe you need to declare the class like this:</p> <pre><code>class ::Dice 1.0 { # ^------------- there are two colons here! has dieType =&gt; (is =&gt; 'rw', isa =&gt; Int, required =&gt; 1); has dieQty =&gt; (is =&gt; 'rw', isa =&gt; Int, required =&gt; 1); has finalResult =&gt; (is =&gt; 'rw', isa =&gt; Int, required =&gt; 0); method getStandardResult() { $self-&gt;finalResult(int(rand($self-&gt;dieType()) + 1)); return $self-&gt;finalResult(); } } </code></pre> <p>You can then do:</p> <pre><code>use Dice; Dice-&gt;new; </code></pre>
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    1. COI must say find this behavior a little bit strange.
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    2. COI implemented your suggestions, but alas I get the same error. Thanks for the detailed response!
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    3. COI changed your implementation, and it works! I declared the class with the double colons, but instantiated like this: Dice->new
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