doc/sandbox.mdwn

@@ -229,22 +229,22 @@ I must **emphasise** this.
 
 
 // more pointers
-#include <iostream>
+    #include <iostream>
-using namespace std;
+    using namespace std;
-
+    
-int main ()
+    int main ()
-{
+    {
-  int firstvalue = 5, secondvalue = 15;
+      int firstvalue = 5, secondvalue = 15;
-  int * p1, * p2;
+      int * p1, * p2;
-
+    
-  p1 = &firstvalue;  // p1 = address of firstvalue
+      p1 = &firstvalue;  // p1 = address of firstvalue
-  p2 = &secondvalue; // p2 = address of secondvalue
+      p2 = &secondvalue; // p2 = address of secondvalue
-  *p1 = 10;          // value pointed to by p1 = 10
+      *p1 = 10;          // value pointed to by p1 = 10
-  *p2 = *p1;         // value pointed to by p2 = value pointed to by p1
+      *p2 = *p1;         // value pointed to by p2 = value pointed to by p1
-  p1 = p2;           // p1 = p2 (value of pointer is copied)
+      p1 = p2;           // p1 = p2 (value of pointer is copied)
-  *p1 = 20;          // value pointed to by p1 = 20
+      *p1 = 20;          // value pointed to by p1 = 20
-  
+      
-  cout << "firstvalue is " << firstvalue << '\n';
+      cout << "firstvalue is " << firstvalue << '\n';
-  cout << "secondvalue is " << secondvalue << '\n';
+      cout << "secondvalue is " << secondvalue << '\n';
-  return 0;
+      return 0;
-}
+    }