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<title>get_arg (OpenID::Message)</title>
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<pre><span class="ruby-comment cmt"># File lib/openid/message.rb, line 376</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">get_arg</span>(<span class="ruby-identifier">namespace</span>, <span class="ruby-identifier">key</span>, <span class="ruby-identifier">default</span>=<span class="ruby-keyword kw">nil</span>)
<span class="ruby-identifier">namespace</span> = <span class="ruby-identifier">_fix_ns</span>(<span class="ruby-identifier">namespace</span>)
<span class="ruby-ivar">@args</span>.<span class="ruby-identifier">fetch</span>([<span class="ruby-identifier">namespace</span>, <span class="ruby-identifier">key</span>]) {
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">default</span> <span class="ruby-operator">==</span> <span class="ruby-constant">NO_DEFAULT</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">KeyNotFound</span>, <span class="ruby-node">"<#{namespace}>#{key} not in this message"</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">default</span>
<span class="ruby-keyword kw">end</span>
}
<span class="ruby-keyword kw">end</span></pre>
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