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<title>class Rack::NullLogger - rack-2.2.10 Documentation</title>
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<main role="main" aria-labelledby="class-Rack::NullLogger">
<h1 id="class-Rack::NullLogger" class="class">
class Rack::NullLogger
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(app)</span>
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<div class="method-description">
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 5</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">app</span>)
<span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span>
<span class="ruby-keyword">end</span></pre>
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</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
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<div id="method-i-3C-3C" class="method-detail ">
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<span class="method-name"><<</span><span
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<div class="method-source-code" id="3C-3C-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 37</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title"><<</span>(<span class="ruby-identifier">msg</span>); <span class="ruby-keyword">end</span></pre>
</div>
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<div id="method-i-add" class="method-detail ">
<div class="method-heading">
<span class="method-name">add</span><span
class="method-args">(severity, message = nil, progname = nil, &block)</span>
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<div class="method-description">
<div class="method-source-code" id="add-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 36</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">add</span>(<span class="ruby-identifier">severity</span>, <span class="ruby-identifier">message</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
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<div id="method-i-call" class="method-detail ">
<div class="method-heading">
<span class="method-name">call</span><span
class="method-args">(env)</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="call-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 9</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-identifier">env</span>[<span class="ruby-constant">RACK_LOGGER</span>] = <span class="ruby-keyword">self</span>
<span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-close" class="method-detail ">
<div class="method-heading">
<span class="method-name">close</span><span
class="method-args">()</span>
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<div class="method-source-code" id="close-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 35</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">close</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-datetime_format" class="method-detail ">
<div class="method-heading">
<span class="method-name">datetime_format</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="datetime_format-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 27</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">datetime_format</span> ; <span class="ruby-keyword">end</span></pre>
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<div id="method-i-datetime_format-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">datetime_format=</span><span
class="method-args">(datetime_format)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="datetime_format-3D-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 32</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">datetime_format=</span>(<span class="ruby-identifier">datetime_format</span>); <span class="ruby-keyword">end</span></pre>
</div>
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<div id="method-i-debug" class="method-detail ">
<div class="method-heading">
<span class="method-name">debug</span><span
class="method-args">(progname = nil, &block)</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="debug-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 15</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">debug</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
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<div id="method-i-debug-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">debug?</span><span
class="method-args">()</span>
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<div class="method-description">
<div class="method-source-code" id="debug-3F-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 21</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">debug?</span> ; <span class="ruby-keyword">end</span></pre>
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<div id="method-i-error" class="method-detail ">
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<span class="method-name">error</span><span
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<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 17</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">error</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
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<div id="method-i-error-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">error?</span><span
class="method-args">()</span>
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<div class="method-source-code" id="error-3F-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 23</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">error?</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-fatal" class="method-detail ">
<div class="method-heading">
<span class="method-name">fatal</span><span
class="method-args">(progname = nil, &block)</span>
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<div class="method-description">
<div class="method-source-code" id="fatal-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 18</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">fatal</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
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<div id="method-i-fatal-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">fatal?</span><span
class="method-args">()</span>
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<div class="method-source-code" id="fatal-3F-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 24</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">fatal?</span> ; <span class="ruby-keyword">end</span></pre>
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<div class="method-heading">
<span class="method-name">formatter</span><span
class="method-args">()</span>
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<div class="method-source-code" id="formatter-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 28</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">formatter</span> ; <span class="ruby-keyword">end</span></pre>
</div>
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<div id="method-i-formatter-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">formatter=</span><span
class="method-args">(formatter)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="formatter-3D-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 33</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">formatter=</span>(<span class="ruby-identifier">formatter</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
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<div id="method-i-info" class="method-detail ">
<div class="method-heading">
<span class="method-name">info</span><span
class="method-args">(progname = nil, &block)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="info-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 14</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">info</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
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<div id="method-i-info-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">info?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="info-3F-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 20</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">info?</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
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<div id="method-i-level" class="method-detail ">
<div class="method-heading">
<span class="method-name">level</span><span
class="method-args">()</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="level-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 25</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">level</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-level-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">level=</span><span
class="method-args">(level)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="level-3D-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 30</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">level=</span>(<span class="ruby-identifier">level</span>); <span class="ruby-keyword">end</span></pre>
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<div id="method-i-progname" class="method-detail ">
<div class="method-heading">
<span class="method-name">progname</span><span
class="method-args">()</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="progname-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 26</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">progname</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-progname-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">progname=</span><span
class="method-args">(progname)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="progname-3D-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 31</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">progname=</span>(<span class="ruby-identifier">progname</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-sev_threshold" class="method-detail ">
<div class="method-heading">
<span class="method-name">sev_threshold</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="sev_threshold-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 29</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">sev_threshold</span> ; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-sev_threshold-3D" class="method-detail ">
<div class="method-heading">
<span class="method-name">sev_threshold=</span><span
class="method-args">(sev_threshold)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="sev_threshold-3D-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 34</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">sev_threshold=</span>(<span class="ruby-identifier">sev_threshold</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-unknown" class="method-detail ">
<div class="method-heading">
<span class="method-name">unknown</span><span
class="method-args">(progname = nil, &block)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="unknown-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 19</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">unknown</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-warn" class="method-detail ">
<div class="method-heading">
<span class="method-name">warn</span><span
class="method-args">(progname = nil, &block)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="warn-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 16</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">warn</span>(<span class="ruby-identifier">progname</span> = <span class="ruby-keyword">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>); <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-warn-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">warn?</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="warn-3F-source">
<pre><span class="ruby-comment"># File lib/rack/null_logger.rb, line 22</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">warn?</span> ; <span class="ruby-keyword">end</span></pre>
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