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2024-11-04 12:43:05 +00:00
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<title>Algorithms_in_C++: others/lru_cache2.cpp File Reference</title>
<title>TheAlgorithms/C++: others/lru_cache2.cpp File Reference</title>
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<div id="projectname">Algorithms_in_C++<span id="projectnumber">&#160;1.0.0</span>
<div id="projectname">TheAlgorithms/C++<span id="projectnumber">&#160;1.0.0</span>
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<div id="projectbrief">Set of algorithms implemented in C++.</div>
<div id="projectbrief">All the algorithms implemented in C++</div>
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@@ -123,7 +140,9 @@ Include dependency graph for lru_cache2.cpp:</div>
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<p><a href="../../dc/daa/lru__cache2_8cpp_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d21/classothers_1_1_cache_1_1_d___node.html">others::Cache::D_Node&lt; T &gt;</a></td></tr>
@@ -157,6 +176,8 @@ Functions</h2></td></tr>
<p>unordered_map maps the key to the address of the node of the linked list. If the element is accessed, the element is moved to the beginning of the linked list.</p>
<p>When the cache is full, the last element in the linked list is popped.</p>
<dl class="section author"><dt>Author</dt><dd><a href="https://github.com/deDSeC00720" target="_blank">Karan Sharma</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../dc/daa/lru__cache2_8cpp_source.html">lru_cache2.cpp</a>.</p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
@@ -175,17 +196,14 @@ Functions</h2></td></tr>
<p>main function </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../dc/daa/lru__cache2_8cpp_source.html#l00274">274</a> of file <a class="el" href="../../dc/daa/lru__cache2_8cpp_source.html">lru_cache2.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 274</span> {</div>
<div class="line"><span class="lineno"> 275</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run the self test implementation</span></div>
<div class="line"><span class="lineno"> 276</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 277</span>}</div>
<div class="ttc" id="alru__cache2_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">self test implementations</div><div class="ttdef"><b>Definition</b> lru_cache2.cpp:220</div></div>
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<div class="ttc" id="alru__cache2_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">self test implementations</div><div class="ttdef"><b>Definition</b> <a href="../../dc/daa/lru__cache2_8cpp_source.html#l00220">lru_cache2.cpp:220</a></div></div>
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<p>self test implementations </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../dc/daa/lru__cache2_8cpp_source.html#l00220">220</a> of file <a class="el" href="../../dc/daa/lru__cache2_8cpp_source.html">lru_cache2.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 220</span> {</div>
<div class="line"><span class="lineno"> 221</span> <a class="code hl_class" href="../../d8/d2e/classothers_1_1_cache_1_1_l_r_u_cache.html">others::Cache::LRUCache&lt;int, int&gt;</a> cache(5);</div>
<div class="line"><span class="lineno"> 222</span> </div>
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<div class="line"><span class="lineno"> 253</span> <span class="comment">// when 6 was added</span></div>
<div class="line"><span class="lineno"> 254</span> <span class="keywordflow">try</span> {</div>
<div class="line"><span class="lineno"> 255</span> cache.get(1);</div>
<div class="line"><span class="lineno"> 256</span> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a> &amp;e) {</div>
<div class="line"><span class="lineno"> 257</span> assert(<a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/string/basic_string.html">std::string</a>(e.<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/error/exception/what.html">what</a>()) == <span class="stringliteral">&quot;key is not present in the cache&quot;</span>);</div>
<div class="line"><span class="lineno"> 256</span> } <span class="keywordflow">catch</span> (<span class="keyword">const</span> std::runtime_error &amp;e) {</div>
<div class="line"><span class="lineno"> 257</span> assert(std::string(e.what()) == <span class="stringliteral">&quot;key is not present in the cache&quot;</span>);</div>
<div class="line"><span class="lineno"> 258</span> }</div>
<div class="line"><span class="lineno"> 259</span> </div>
<div class="line"><span class="lineno"> 260</span> <span class="comment">// test retrieval of all items in the cache</span></div>
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<div class="line"><span class="lineno"> 264</span> assert(cache.get(5) == -50);</div>
<div class="line"><span class="lineno"> 265</span> assert(cache.get(6) == 60);</div>
<div class="line"><span class="lineno"> 266</span> </div>
<div class="line"><span class="lineno"> 267</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;test - passed\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 267</span> std::cout &lt;&lt; <span class="stringliteral">&quot;test - passed\n&quot;</span>;</div>
<div class="line"><span class="lineno"> 268</span>}</div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
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<div class="ttc" id="aclassothers_1_1_cache_1_1_l_r_u_cache_html"><div class="ttname"><a href="../../d8/d2e/classothers_1_1_cache_1_1_l_r_u_cache.html">others::Cache::LRUCache</a></div><div class="ttdoc">LRUCache.</div><div class="ttdef"><b>Definition</b> lru_cache2.cpp:61</div></div>
<div class="ttc" id="aruntime_error_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/runtime_error.html">std::runtime_error</a></div></div>
<div class="ttc" id="awhat_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/exception/what.html">std::runtime_error::what</a></div><div class="ttdeci">T what(T... args)</div></div>
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