20 lines
1.5 KiB
HTML
20 lines
1.5 KiB
HTML
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<title>abstract_method (Module)</title>
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<pre><span class="ruby-comment cmt"># File lib/abstract.rb, line 41</span>
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<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">abstract_method</span> <span class="ruby-identifier">args_str</span>, <span class="ruby-operator">*</span><span class="ruby-identifier">method_names</span>
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<span class="ruby-identifier">method_names</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">name</span><span class="ruby-operator">|</span>
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<span class="ruby-identifier">module_eval</span> <span class="ruby-value str">"def \#{name}(\#{args_str})\nmesg = \"class \\\#{self.class.name} must implement abstract method `\#{self.name}#\#{name}()'.\"\n#mesg = \"\\\#{self.class.name}#\#{name}() is not implemented.\"\nerr = NotImplementedError.new mesg\nerr.set_backtrace caller()\nraise err\nend\n"</span>
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<span class="ruby-keyword kw">end</span>
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<span class="ruby-keyword kw">end</span></pre>
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