M000115.html in facets-0.7.2

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-  <title>assert_has_keys (Hash)</title>
+  <title>has_only_keys? (Hash)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/facet/hash/has_keys.rb, line 32</span>
-  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">assert_has_keys</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">check_keys</span>)
-    <span class="ruby-identifier">raise</span>(<span class="ruby-constant">ArgumentError</span>, <span class="ruby-value str">&quot;does not have key(s)&quot;</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">has_all_keys?</span>
+  <pre><span class="ruby-comment cmt"># File lib/facet/hash/has_keys.rb, line 21</span>
+  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">has_only_keys?</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">check_keys</span>)
+    <span class="ruby-identifier">unknown_keys</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">keys</span> <span class="ruby-operator">-</span> <span class="ruby-identifier">check_keys</span>
+    <span class="ruby-keyword kw">return</span> <span class="ruby-operator">!</span><span class="ruby-identifier">unknown_keys</span>.<span class="ruby-identifier">empty?</span>
   <span class="ruby-keyword kw">end</span></pre>
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