Fix typo s/Deference/Dereference

Author: iskhanba

README.md

@@ -310,7 +310,7 @@ using namespace N; // Make T visible without N::
 shared_ptr<int> x; // Empty shared_ptr to a integer on heap. Uses reference counting for cleaning up objects.
 x = make_shared<int>(12); // Allocate value 12 on heap
 shared_ptr<int> y = x; // Copy shared_ptr, implicit changes reference count to 2.
-cout << *y; // Deference y to print '12'
+cout << *y; // Dereference y to print '12'
 if (y.get() == x.get()) { // Raw pointers (here x == y)
  cout << "Same"; 
 } 
@@ -322,8 +322,8 @@ if (y == nullptr) { // Can compare against nullptr (here returns true)
  cout << "Empty"; 
 } 
 y = make_shared<int>(15); // Assign new value
-cout << *y; // Deference x to print '15'
-cout << *x; // Deference x to print '12'
+cout << *y; // Dereference x to print '15'
+cout << *x; // Dereference x to print '12'
 weak_ptr<int> w; // Create empty weak pointer
 w = y; // w has weak reference to y.
 if (shared_ptr<int> s = w.lock()) { // Has to be copied into a shared_ptr before usage
@@ -573,4 +573,4 @@ future<int> fut = // result of async function
  async(launch::async, fib, 4); // start async function in other thread
 // do some other work 
 cout << fut.get(); // get result of async function. Wait if needed.
-```
+```

cheatsheet-as-sourcefile.cpp

@@ -295,7 +295,7 @@ using namespace N; // Make T visible without N::
 shared_ptr<int> x; // Empty shared_ptr to a integer on heap. Uses reference counting for cleaning up objects.
 x = make_shared<int>(12); // Allocate value 12 on heap
 shared_ptr<int> y = x; // Copy shared_ptr, implicit changes reference count to 2.
-cout << *y; // Deference y to print '12'
+cout << *y; // Dereference y to print '12'
 if (y.get() == x.get()) { // Raw pointers (here x == y)
  cout << "Same";
 }
@@ -307,8 +307,8 @@ if (y == nullptr) { // Can compare against nullptr (here returns true)
  cout << "Empty";
 }
 y = make_shared<int>(15); // Assign new value
-cout << *y; // Deference x to print '15'
-cout << *x; // Deference x to print '12'
+cout << *y; // Dereference x to print '15'
+cout << *x; // Dereference x to print '12'
 weak_ptr<int> w; // Create empty weak pointer
 w = y; // w has weak reference to y.
 if (shared_ptr<int> s = w.lock()) { // Has to be copied into a shared_ptr before usage
@@ -527,4 +527,4 @@ thread t3(pingPongFn, "boing");
 future<int> fut = // result of async function
  async(launch::async, fib, 4); // start async function in other thread
 // do some other work 
-cout << fut.get(); // get result of async function. Wait if needed.
+cout << fut.get(); // get result of async function. Wait if needed.