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C++ keyword: class

From cppreference.com
< cpp‎ | keyword
 
 
C++ language
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[edit] Usage

(since C++11)

[edit] Example

class Foo; // forward declaration of a class
 
class Bar  // definition of a class
{
public:
    Bar(int i) : m_i(i) {}
private:
    int m_i;
};
 
template<class T> // template argument
void qux()
{
    T t;
}
 
enum class Pub // scoped enum, since C++11
{
    b, d, p, q
};
 
int main()
{
    Bar Bar(1); // variable Bar hides type Bar
    Bar Bar2(2); // compiler error
    class Bar Bar3(3); // elaborated type
}

[edit] See also

(since C++11)
(since C++20)