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<a href="../../d7/de0/stack_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/**</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * @file stack.h</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * @author danghai</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * @brief This class specifies the basic operation on a stack as a linked list</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> **/</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#ifndef DATA_STRUCTURES_STACK_H_</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#define DATA_STRUCTURES_STACK_H_</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;cassert&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"></span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">/** Definition of the node as a linked-list</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * \tparam Type type of data nodes of the linked list should contain</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> */</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">struct </span><a class="code hl_class" href="../../d5/da1/structnode.html">node</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"><a class="line" href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37"> 17</a></span> Type <a class="code hl_variable" href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37">data</a>; <span class="comment">///&lt; data at current node</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"><a class="line" href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350"> 18</a></span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *<a class="code hl_variable" href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350">next</a>; <span class="comment">///&lt; pointer to the next ::node instance</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span>};</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment"></span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">/** Definition of the stack class</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment"> * \tparam Type type of data nodes of the linked list in the stack should</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment"> * contain</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="keyword">template</span> &lt;<span class="keyword">class</span> Type&gt;</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html"> 26</a></span><span class="keyword">class </span><a class="code hl_class" href="../../d1/dc2/classstack.html">stack</a> {</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">public</span>:<span class="comment"></span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment"> /** Show stack */</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628"> 29</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628">display</a>() {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *current = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</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;Top --&gt; &quot;</span>;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; current-&gt;data &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> current = current-&gt;next;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> }</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</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;Size of stack: &quot;</span> &lt;&lt; <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span><span class="comment"></span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="comment"> /** Default constructor*/</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83"> 41</a></span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83">stack</a>() {</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = 0;</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment"></span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment"> /** Copy constructor*/</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920"> 47</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920">stack</a>(<span class="keyword">const</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;otherStack) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode, *current, *last;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/* If stack is no empty, make it empty */</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> current = otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data = current-&gt;data;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> last = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> current = current-&gt;next;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/* Copy the remaining stack */</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> newNode = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> newNode-&gt;data = current-&gt;data;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> newNode-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> last-&gt;next = newNode;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> last = newNode;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> current = current-&gt;next;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment"></span> </div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment"> /** Destructor */</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71"> 77</a></span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71">~stack</a>() {}</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment"></span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment"> /** Determine whether the stack is empty */</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a"> 80</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">isEmptyStack</a>() { <span class="keywordflow">return</span> (<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>); }</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment"></span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment"> /** Add new item to the stack */</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d"> 83</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d">push</a>(Type item) {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> newNode = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> newNode-&gt;data = item;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> newNode-&gt;next = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = newNode;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>++;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span><span class="comment"></span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span><span class="comment"> /** Return the top element of the stack */</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344"> 93</a></span> Type <a class="code hl_function" href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344">top</a>() {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> assert(<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span><span class="comment"></span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span><span class="comment"> /** Remove the top element of the stack */</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc"> 99</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc">pop</a>() {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *temp;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">isEmptyStack</a>()) {</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> temp = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">delete</span> temp;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>--;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</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;Stack is empty !&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> }</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> }</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="comment"></span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="comment"> /** Clear stack */</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b"> 112</a></span> <span class="keywordtype">void</span> <a class="code hl_function" href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b">clear</a>() { <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>; }</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span><span class="comment"></span> </div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span><span class="comment"> /** Overload &quot;=&quot; the assignment operator */</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a2b4d767447067c8bebca791b747733a1"> 115</a></span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;<a class="code hl_function" href="../../d1/dc2/classstack.html#a2b4d767447067c8bebca791b747733a1">operator=</a>(<span class="keyword">const</span> <a class="code hl_class" href="../../d1/dc2/classstack.html">stack&lt;Type&gt;</a> &amp;otherStack) {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *newNode, *current, *last;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">/* If stack is no empty, make it empty */</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> (otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> == <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> current = otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a> = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;data = current-&gt;data;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> last = <a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> current = current-&gt;next;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/* Copy the remaining stack */</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>) {</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> newNode = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a>;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> newNode-&gt;data = current-&gt;data;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> newNode-&gt;next = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> last-&gt;next = newNode;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> last = newNode;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> current = current-&gt;next;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> }</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> }</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a> = otherStack.<a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453"> 146</a></span> <a class="code hl_class" href="../../d5/da1/structnode.html">node&lt;Type&gt;</a> *<a class="code hl_variable" href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stackTop</a>; <span class="comment">/**&lt; Pointer to the stack */</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"><a class="line" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0"> 147</a></span> <span class="keywordtype">int</span> <a class="code hl_variable" href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">size</a>; <span class="comment">///&lt; size of stack</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>};</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="preprocessor">#endif </span><span class="comment">// DATA_STRUCTURES_STACK_H_</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>
<div class="ttc" id="aclassstack_html"><div class="ttname"><a href="../../d1/dc2/classstack.html">stack</a></div><div class="ttdef"><b>Definition:</b> stack.h:26</div></div>
<div class="ttc" id="aclassstack_html_a066e4505155b009913c47b2648b1067a"><div class="ttname"><a href="../../d1/dc2/classstack.html#a066e4505155b009913c47b2648b1067a">stack::isEmptyStack</a></div><div class="ttdeci">bool isEmptyStack()</div><div class="ttdef"><b>Definition:</b> stack.h:80</div></div>
<div class="ttc" id="aclassstack_html_a0ac1dba9c7019acdc825b31d06eb0b71"><div class="ttname"><a href="../../d1/dc2/classstack.html#a0ac1dba9c7019acdc825b31d06eb0b71">stack::~stack</a></div><div class="ttdeci">~stack()</div><div class="ttdef"><b>Definition:</b> stack.h:77</div></div>
<div class="ttc" id="aclassstack_html_a21c0bb6ce7dcfe445cc12031977ea344"><div class="ttname"><a href="../../d1/dc2/classstack.html#a21c0bb6ce7dcfe445cc12031977ea344">stack::top</a></div><div class="ttdeci">Type top()</div><div class="ttdef"><b>Definition:</b> stack.h:93</div></div>
<div class="ttc" id="aclassstack_html_a2b4d767447067c8bebca791b747733a1"><div class="ttname"><a href="../../d1/dc2/classstack.html#a2b4d767447067c8bebca791b747733a1">stack::operator=</a></div><div class="ttdeci">stack&lt; Type &gt; &amp; operator=(const stack&lt; Type &gt; &amp;otherStack)</div><div class="ttdef"><b>Definition:</b> stack.h:115</div></div>
<div class="ttc" id="aclassstack_html_a5705c3926dcf5fd3f9c964467a50b81d"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5705c3926dcf5fd3f9c964467a50b81d">stack::push</a></div><div class="ttdeci">void push(Type item)</div><div class="ttdef"><b>Definition:</b> stack.h:83</div></div>
<div class="ttc" id="aclassstack_html_a5b64337ec34b12e98458bb9b9d5f8f83"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5b64337ec34b12e98458bb9b9d5f8f83">stack::stack</a></div><div class="ttdeci">stack()</div><div class="ttdef"><b>Definition:</b> stack.h:41</div></div>
<div class="ttc" id="aclassstack_html_a5cc5efbbd4ea14b3e378580f1388423b"><div class="ttname"><a href="../../d1/dc2/classstack.html#a5cc5efbbd4ea14b3e378580f1388423b">stack::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdef"><b>Definition:</b> stack.h:112</div></div>
<div class="ttc" id="aclassstack_html_a67f65710c376f67d1ba3bde45a9cb628"><div class="ttname"><a href="../../d1/dc2/classstack.html#a67f65710c376f67d1ba3bde45a9cb628">stack::display</a></div><div class="ttdeci">void display()</div><div class="ttdef"><b>Definition:</b> stack.h:29</div></div>
<div class="ttc" id="aclassstack_html_a6cd4b95d5de00d41b2491392338384dc"><div class="ttname"><a href="../../d1/dc2/classstack.html#a6cd4b95d5de00d41b2491392338384dc">stack::pop</a></div><div class="ttdeci">void pop()</div><div class="ttdef"><b>Definition:</b> stack.h:99</div></div>
<div class="ttc" id="aclassstack_html_a7289037c059aaad492b4d68e6bd54453"><div class="ttname"><a href="../../d1/dc2/classstack.html#a7289037c059aaad492b4d68e6bd54453">stack::stackTop</a></div><div class="ttdeci">node&lt; Type &gt; * stackTop</div><div class="ttdef"><b>Definition:</b> stack.h:146</div></div>
<div class="ttc" id="aclassstack_html_ac512a3efdc84a5f5c9f53905c8e219b0"><div class="ttname"><a href="../../d1/dc2/classstack.html#ac512a3efdc84a5f5c9f53905c8e219b0">stack::size</a></div><div class="ttdeci">int size</div><div class="ttdoc">size of stack</div><div class="ttdef"><b>Definition:</b> stack.h:147</div></div>
<div class="ttc" id="aclassstack_html_ae8547e097cc753d5eab0207ed23d8920"><div class="ttname"><a href="../../d1/dc2/classstack.html#ae8547e097cc753d5eab0207ed23d8920">stack::stack</a></div><div class="ttdeci">stack(const stack&lt; Type &gt; &amp;otherStack)</div><div class="ttdef"><b>Definition:</b> stack.h:47</div></div>
<div class="ttc" id="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
<div class="ttc" id="astructnode_html"><div class="ttname"><a href="../../d5/da1/structnode.html">node</a></div><div class="ttdef"><b>Definition:</b> avltree.cpp:13</div></div>
<div class="ttc" id="astructnode_html_a135f25acadfbba644f848f1aa18d8350"><div class="ttname"><a href="../../d5/da1/structnode.html#a135f25acadfbba644f848f1aa18d8350">node::next</a></div><div class="ttdeci">node&lt; Type &gt; * next</div><div class="ttdoc">pointer to the next node instance</div><div class="ttdef"><b>Definition:</b> stack.h:18</div></div>
<div class="ttc" id="astructnode_html_a42309387b3fa0237ec200c025071ad37"><div class="ttname"><a href="../../d5/da1/structnode.html#a42309387b3fa0237ec200c025071ad37">node::data</a></div><div class="ttdeci">Type data</div><div class="ttdoc">data at current node</div><div class="ttdef"><b>Definition:</b> stack.h:17</div></div>
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