do some whitespace janitor work
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					 13 changed files with 49 additions and 55 deletions
				
			
		|  | @ -14,7 +14,7 @@ struct myclass { | |||
| 
 | ||||
| int main() { | ||||
|   int init = 100; | ||||
|   int numbers[] = {10,20,30}; | ||||
|   int numbers[] = {10, 20, 30}; | ||||
|   int res; | ||||
| 
 | ||||
|   std::cout << "using default accumulate: "; | ||||
|  |  | |||
|  | @ -6,12 +6,12 @@ void classic() { | |||
|   int array[2]; | ||||
|   array[0] = 1; | ||||
|   array[1] = 2; | ||||
|   array[3] = 3; // <- clang++ -Warray-bounds warns about this
 | ||||
|   array[3] = 3;  // <- clang++ -Warray-bounds warns about this
 | ||||
| 
 | ||||
|   int n = 10; | ||||
|   std::cout << array[3] << std::endl; // no warning!
 | ||||
|   std::cout << array[4] << std::endl; // no warning!
 | ||||
|   std::cout << array[n-1] << std::endl; // no warning!
 | ||||
|   std::cout << array[3] << std::endl;  // no warning!
 | ||||
|   std::cout << array[4] << std::endl;  // no warning!
 | ||||
|   std::cout << array[n-1] << std::endl;  // no warning!
 | ||||
| } | ||||
| 
 | ||||
| void std_array() { | ||||
|  | @ -22,7 +22,7 @@ void std_array() { | |||
|   // whoopsie
 | ||||
|   array[2] = 3; | ||||
| 
 | ||||
|   for(auto &e: array) { | ||||
|   for (auto &e : array) { | ||||
|     std::cout << e << " "; | ||||
|   } | ||||
|   std::cout << std::endl; | ||||
|  | @ -44,10 +44,10 @@ void std_vector() { | |||
|   } | ||||
|   vector.resize(10); | ||||
|   vector.at(2) = 3; | ||||
|   vector[1] = 2; // should now work
 | ||||
|   vector[1] = 2;  // should now work
 | ||||
|   // vector[3] = 3; // SEGFAULT
 | ||||
| 
 | ||||
|   for(auto &e: vector) { | ||||
|   for (auto &e : vector) { | ||||
|     std::cout << e << " "; | ||||
|   } | ||||
|   std::cout << std::endl; | ||||
|  |  | |||
|  | @ -13,9 +13,9 @@ int main() { | |||
| 
 | ||||
|     y = x; | ||||
| 
 | ||||
|     std::cout << x.get() << std::endl; // Print NULL
 | ||||
|     std::cout << x.get() << std::endl;  // Print NULL
 | ||||
|     assert(x.get() == NULL); | ||||
|     std::cout << y.get() << std::endl; // Print non-NULL address i
 | ||||
|     std::cout << y.get() << std::endl;  // Print non-NULL address i
 | ||||
|     assert(y.get() != NULL); | ||||
| 
 | ||||
|     return 0; | ||||
|  |  | |||
							
								
								
									
										13
									
								
								casts.cpp
									
										
									
									
									
								
							
							
						
						
									
										13
									
								
								casts.cpp
									
										
									
									
									
								
							|  | @ -3,11 +3,9 @@ | |||
| 
 | ||||
| class mybase { | ||||
|   protected: | ||||
| 
 | ||||
|     std::string ids; | ||||
| 
 | ||||
|   public: | ||||
| 
 | ||||
|     mybase(std::string ids) | ||||
|       : ids(ids) {} | ||||
| 
 | ||||
|  | @ -17,16 +15,13 @@ class mybase { | |||
| }; | ||||
| 
 | ||||
| class myclass : public mybase { | ||||
| 
 | ||||
|   public: | ||||
| 
 | ||||
|   myclass(std::string ids) | ||||
|     : mybase(ids) {} | ||||
| 
 | ||||
|   void foo() { | ||||
|     std::cout << "i'm a myclass! ids: " << ids << std::endl; | ||||
|   } | ||||
| 
 | ||||
| }; | ||||
| 
 | ||||
| void nocast(myclass* x) { | ||||
|  | @ -40,8 +35,8 @@ void ccast(void* x) { | |||
| } | ||||
| 
 | ||||
| void staticcast(void* x) { | ||||
|   // C++ static_cast. When I *know* it's myclass*, and want to revert an implicit
 | ||||
|   // conversion.
 | ||||
|   // C++ static_cast. When I *know* it's myclass*, and want to revert an
 | ||||
|   // implicit conversion.
 | ||||
|   myclass* foo = static_cast<myclass*>(x); | ||||
|   foo->foo(); | ||||
| } | ||||
|  | @ -64,11 +59,11 @@ int main() { | |||
| 
 | ||||
|   std::cout << "== ccast" << std::endl; | ||||
|   ccast(&a); | ||||
|   ccast(&base); // XXX actually works!
 | ||||
|   ccast(&base);  // XXX actually works!
 | ||||
| 
 | ||||
|   std::cout << "== staticcast" << std::endl; | ||||
|   staticcast(&a); | ||||
|   staticcast(&base); // XXX actually works!
 | ||||
|   staticcast(&base);  // XXX actually works!
 | ||||
| 
 | ||||
|   std::cout << "== dynamiccast" << std::endl; | ||||
|   dynamiccast(&a); | ||||
|  |  | |||
							
								
								
									
										26
									
								
								classes.cpp
									
										
									
									
									
								
							
							
						
						
									
										26
									
								
								classes.cpp
									
										
									
									
									
								
							|  | @ -63,37 +63,37 @@ int main() { | |||
|   callptr(&animal); | ||||
| 
 | ||||
|   std::cout << "== cat" << std::endl; | ||||
|   animal = cat; // <- lol, operator
 | ||||
|   animal = cat;  // <- lol, operator
 | ||||
|   animal.makeSound(); | ||||
|   call(cat); | ||||
|   callref(cat); // <- meow
 | ||||
|   callref(animal); // <- generic
 | ||||
|   callptr(&cat); // <- meow
 | ||||
|   callref(cat);  // <- meow
 | ||||
|   callref(animal);  // <- generic
 | ||||
|   callptr(&cat);  // <- meow
 | ||||
| 
 | ||||
|   std::cout << "== cow" << std::endl; | ||||
|   animal = cow; // <- lol, operator
 | ||||
|   animal = cow;  // <- lol, operator
 | ||||
|   animal.makeSound(); | ||||
|   call(cow); | ||||
|   callref(cow); // <- mooh
 | ||||
|   callptr(&cow); // <- mooh
 | ||||
|   callref(cow);  // <- mooh
 | ||||
|   callptr(&cow);  // <- mooh
 | ||||
| 
 | ||||
|   std::cout << "== refs" << std::endl; | ||||
|   Animal &aref = cat; | ||||
|   aref.makeSound(); // <- meow
 | ||||
|   aref = cow; // <- lol, operator
 | ||||
|   aref.makeSound(); // <- meow, still
 | ||||
|   aref.makeSound();  // <- meow
 | ||||
|   aref = cow;  // <- lol, operator
 | ||||
|   aref.makeSound();  // <- meow, still
 | ||||
| 
 | ||||
|   std::cout << "== vector<Animal>:" << std::endl; | ||||
|   // Does nothing:
 | ||||
|   std::vector<Animal> animals = { cat, cow }; // <- Copies
 | ||||
|   for (auto &a: animals) { | ||||
|   std::vector<Animal> animals = { cat, cow };  // <- Copies
 | ||||
|   for (auto &a : animals) { | ||||
|     a.makeSound(); | ||||
|   } | ||||
| 
 | ||||
|   std::cout << "== vector<Animal*>:" << std::endl; | ||||
|   // Meow? Mooh.
 | ||||
|   std::vector<Animal*> animalptrs = { &cat, &cow }; | ||||
|   for (auto &a: animalptrs) { | ||||
|   for (auto &a : animalptrs) { | ||||
|     a->makeSound(); | ||||
|   } | ||||
| } | ||||
|  |  | |||
|  | @ -6,8 +6,8 @@ | |||
| #include <chrono>         // std::chrono::milliseconds
 | ||||
| 
 | ||||
| // a non-optimized way of checking for prime numbers.
 | ||||
| bool is_prime (long int x) { | ||||
|   for (long int i=2; i<x; ++i) { | ||||
| bool is_prime(long int x) { | ||||
|   for (long int i = 2; i < x; ++i) { | ||||
|     if (x%i == 0) return false; | ||||
|   } | ||||
|   return true; | ||||
|  | @ -35,12 +35,13 @@ void implicitly_waiting() { | |||
|   long int p2 = 685102597328182763; | ||||
| 
 | ||||
|   std::future<bool> fut = std::async(std::launch::async, is_prime, p2); | ||||
|   std::cout << "just getting the result, doing an implicit wait():" << std::endl; | ||||
|   std::cout << "just getting the result, doing an implicit wait():"; | ||||
|   std::cout << std::endl; | ||||
|   bool x = fut.get(); | ||||
|   std::cout << p2 << " " << (x?"is":"is not") << " prime." << std::endl; | ||||
| } | ||||
| 
 | ||||
| int main () { | ||||
| int main() { | ||||
|   explicitly_waiting(); | ||||
|   implicitly_waiting(); | ||||
|   return 0; | ||||
|  |  | |||
|  | @ -7,7 +7,6 @@ | |||
| using namespace std; | ||||
| 
 | ||||
| int main() { | ||||
| 
 | ||||
|     // notice how the lists are nested to match the templates' parameters:
 | ||||
|     map<string, vector<pair<string, int>>> name_languages_year { | ||||
|         {"Dennis Ritchie",    {{"B",      1969}, {"C",        1973}}}, | ||||
|  | @ -27,5 +26,4 @@ int main() { | |||
| 
 | ||||
|     // prints 'Lisp':
 | ||||
|     cout << name_languages_year["John McCarthy"].at(0).first << endl; | ||||
| 
 | ||||
| } | ||||
|  |  | |||
|  | @ -1,12 +1,12 @@ | |||
| #include <cstdio> | ||||
| 
 | ||||
| struct A { | ||||
|    A() { puts("A()"); } | ||||
|   A() { puts("A()"); } | ||||
|   ~A() { puts("~A()"); } | ||||
| }; | ||||
| 
 | ||||
| struct B { | ||||
|    B() { puts("B()"); } | ||||
|   B() { puts("B()"); } | ||||
|   ~B() { puts("~B()"); } | ||||
| }; | ||||
| 
 | ||||
|  |  | |||
|  | @ -1,4 +1,4 @@ | |||
| /* http://en.wikipedia.org/wiki/C++14 */ | ||||
| // http://en.wikipedia.org/wiki/C++14
 | ||||
| 
 | ||||
| #include <cassert> | ||||
| #include <iostream> | ||||
|  |  | |||
							
								
								
									
										5
									
								
								rtti.cpp
									
										
									
									
									
								
							
							
						
						
									
										5
									
								
								rtti.cpp
									
										
									
									
									
								
							|  | @ -32,7 +32,8 @@ class Hammer : public Tool { | |||
|     } | ||||
| 
 | ||||
|     void use(Nail nail) { | ||||
|       std::cout << "The nail is " << nail.getLength() << " cm long" << std::endl; | ||||
|       std::cout << "The nail is " << nail.getLength() << " cm long" | ||||
|                 << std::endl; | ||||
|     } | ||||
| }; | ||||
| 
 | ||||
|  | @ -50,7 +51,7 @@ void useSomeTool(Tool &tool) { | |||
|   std::cout << "Look, it's a " << typeid(tool).name() << "!" << std::endl; | ||||
| 
 | ||||
|   // XXX What about subclasses of Hammer?
 | ||||
|   if(typeid(tool) == typeid(Hammer)) { | ||||
|   if (typeid(tool) == typeid(Hammer)) { | ||||
|     std::cout << "Stop! "; | ||||
|   } | ||||
|   tool.use(); | ||||
|  |  | |||
|  | @ -9,7 +9,7 @@ void shared_ptr() { | |||
|   std::cout << __FUNCTION__ << std::endl; | ||||
| 
 | ||||
|   std::shared_ptr<int> p1(new int(5)); | ||||
|   std::shared_ptr<int> p2 = p1; // Both now own the memory.
 | ||||
|   std::shared_ptr<int> p2 = p1;  // Both now own the memory.
 | ||||
|   assert(p1.use_count() == 2); | ||||
| 
 | ||||
|   // Memory still exists, due to p2:
 | ||||
|  | @ -29,7 +29,7 @@ void shared_ptr_container() { | |||
|   std::cout << __FUNCTION__ << std::endl; | ||||
| 
 | ||||
|   std::shared_ptr<int> p1(new int(5)); | ||||
|   std::shared_ptr<int> p2 = p1; // Both now own the memory.
 | ||||
|   std::shared_ptr<int> p2 = p1;  // Both now own the memory.
 | ||||
|   assert(p1.use_count() == 2); | ||||
| 
 | ||||
|   std::vector<std::shared_ptr<int>> v; | ||||
|  | @ -49,20 +49,20 @@ void weak_ptr() { | |||
|   std::cout << __FUNCTION__ << std::endl; | ||||
| 
 | ||||
|   std::shared_ptr<int> p1(new int(5)); | ||||
|   std::weak_ptr<int> wp1 = p1; // p1 owns the memory.
 | ||||
|   std::weak_ptr<int> wp1 = p1;  // p1 owns the memory.
 | ||||
| 
 | ||||
|   { | ||||
|     std::shared_ptr<int> p2 = wp1.lock(); //Now p1 and p2 own the memory.
 | ||||
|     std::shared_ptr<int> p2 = wp1.lock();  // Now p1 and p2 own the memory.
 | ||||
|     assert(p2 != NULL); | ||||
|     if (p2) { // As p2 is initialized from a weak pointer,
 | ||||
|               // you have to check if the memory still exists!
 | ||||
|     if (p2) {  // As p2 is initialized from a weak pointer,
 | ||||
|                // you have to check if the memory still exists!
 | ||||
|       // Do something with p2
 | ||||
|     } | ||||
|   } // p2 is destroyed. Memory is owned by p1.
 | ||||
|   }  // p2 is destroyed. Memory is owned by p1.
 | ||||
| 
 | ||||
|   assert(wp1.lock() != NULL); | ||||
|   assert(wp1.use_count() == 1); | ||||
|   p1.reset(); // Memory is deleted.
 | ||||
|   p1.reset();  // Memory is deleted.
 | ||||
|   assert(wp1.lock() == NULL); | ||||
|   assert(wp1.use_count() == 0); | ||||
| 
 | ||||
|  |  | |||
|  | @ -1,8 +1,7 @@ | |||
| #include <cassert> | ||||
| #include <iostream> | ||||
| 
 | ||||
| int main() | ||||
| { | ||||
| int main() { | ||||
|   int someInteger = 256; | ||||
|   short someShort; | ||||
|   long someLong; | ||||
|  | @ -16,7 +15,7 @@ int main() | |||
|   assert(someInteger == 514); | ||||
| 
 | ||||
|   someShort = (short) someInteger; | ||||
|   assert((int) someShort == 514); // (short more than 1 byte)
 | ||||
|   assert((int) someShort == 514);  // (short more than 1 byte)
 | ||||
| 
 | ||||
|   someLong = someShort * 10000; | ||||
|   assert(someLong == 5140000l); | ||||
|  |  | |||
|  | @ -26,7 +26,7 @@ void container() { | |||
|   v.push_back(std::move(q)); | ||||
|   assert(q == NULL); | ||||
| 
 | ||||
|   for(auto &e: v) { | ||||
|   for (auto &e : v) { | ||||
|     std::cout << *e << std::endl; | ||||
|   } | ||||
| } | ||||
|  |  | |||
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