Картинка для печати(кликабельно):
В шпаргалке содержатся следующие таблицы:
| auto |
|---|
| auto p = new T(); |
| auto p = make_shared<T>(arg1); |
| auto my_lambda= [](){}; |
| auto it = m.begin(); |
| [attr colspan="2"] standard types | |
|---|---|
| int8_t | uint8_t |
| int16_t | uint16_t |
| int32_t | uint32_t |
| int64_t | uint64_t |
| raw string literals |
|---|
| string test=R»(C:\A\B\file1.txt)»; |
| null pointer constant |
|---|
| void foo(char*); |
| void foo (int); |
| foo(nullptr);//calls first foo |
| delegating constructors |
|---|
| class A |
| { |
| int a; |
| public: |
| A(int x) {a = x;} |
| A() : A(42){} |
| A(string s) : A(stoi(s)){} |
| }; |
| static_assert |
|---|
| template<class T> |
| void f(T v){ |
| static_assert(sizeof(v) == 4, |
| #171;#187; «v must have size of 4 bytes»); |
| } |
| decltype |
|---|
| int i = 0; |
| decltype(i) var1; |
| decltype(2+3) var2; |
| in-class member initializers |
|---|
| class A |
| { |
| int a = 5; |
| string h = «text1»; |
| #8230; }; |
| override & final |
|---|
| struct Base |
| { |
| vitrual void f(float); |
| virtual void f2() final; |
| }; |
| sruct Derived : Base |
| { |
| void f(int) override; //error |
| void f2(); //error |
| }; |
| lambdas |
|---|
| int a = 42; |
| count_if(v.begin(), v.end(), |
| [&a](int x){return x==a;}); |
| std::tuple |
|---|
| tuple<int,float>t(1,2.f); |
| int x = get<0>(t); |
| float y = get<1>(t); |
| enum class |
|---|
| enum class Alert {green, red}; |
| enum class Color:int {red, blue}; |
| Alert a =7; //error |
| Color c =7; //error |
| int a2 = red; //error |
| in a3 = Alert::red; //error |
| int a4 = blue; //error |
| int a5 = Color::blue; //error |
| Color a6 = Color::blue; //ok |
Взято с официального блога компании Инфопульс Украина
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