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cplusplus:pointers_3

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cplusplus:pointers_3 [2014/04/29 21:53] – [Walking down an array] mithatcplusplus:pointers_3 [2016/03/05 23:27] – [Pointers 3] mithat
Line 42: Line 42:
  
 <file cpp pointer-math.cpp> <file cpp pointer-math.cpp>
 +/** Pointer arithmetic. */
 #include <iostream> #include <iostream>
 using namespace std; using namespace std;
Line 66: Line 67:
  
 <file cpp subtracting-pointers.cpp> <file cpp subtracting-pointers.cpp>
 +/** Subtracting pointers */
 #include <iostream> #include <iostream>
 using namespace std; using namespace std;
Line 95: Line 97:
     int *vPtr = v;     int *vPtr = v;
  
-    for(int i = 0; i < 5; i++)+    for (int i = 0; i < 5; i++)
     {     {
         cout << *vPtr << endl;         cout << *vPtr << endl;
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 ^ Operation                                                        ^ Example ^ ^ Operation                                                        ^ Example ^
-|<code>{pointer}++</code>                                          |<code cpp>valptr++;  // points at 7</code>+|Increment <code>pointer++</code>                                          |<code cpp>valptr++;  // points at 7</code>
-|<code>{pointer}--</code>                                          |<code cpp>valptr--;  // now points at 4</code>+|Decrement <code>pointer--</code>                                          |<code cpp>valptr--;  // now points at 4</code>
-|<code>{pointer{int}</code>and<code>{pointer{int}</code>   |<code cpp>cout << *(valptr + 2); // prints 11</code>+|Arithmetic <code>pointer + int</code> and <code>pointer - int</code> |<code cpp>cout << *(valptr + 2); // prints 11</code>
-|<code>{pointer+= {int}</code>and<code>{pointer-= {int}</code> |<code cpp>valptr = vals; // points at 4+|Compound assignment <code>pointer += int</code>and<code>pointer -= int</code> |<code cpp>valptr = vals; // points at 4
 valptr += 2;   // points at 11</code> | valptr += 2;   // points at 11</code> |
-|<code>{pointer{pointer}</code>                                |<code cpp>cout << valptr - val; // number of ints between valptr and val</code> |+|Pointer subtraction <code>pointer - pointer</code>                                |<code cpp>cout << valptr - val; // of ints between valptr and val</code> |
  
cplusplus/pointers_3.txt · Last modified: 2016/03/05 23:27 by mithat

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