A12-1-4.cpp

// Rule: A12-1-4
// Source line: 17261
// Original file: A12-1-4.cpp

// $Id: A12-1-4.cpp 289436 2017-10-04 10:45:23Z michal.szczepankiewicz $
#include <cstdint>
class A
{
public:
    explicit A(std::int32_t number) : x(number) {} // Compliant
    A(A const&) = default;
    A(A&&) = default;
    A& operator=(A const&) = default;
    A& operator=(A&&) = default;


private:
    std::int32_t x;
};
class B
{
public:
    B(std::int32_t number) : x(number) {}  // Non-compliant
    B(B const&) = default;
    B(B&&) = default;
    B& operator=(B const&) = default;
    B& operator=(B&&) = default;



private:
    std::int32_t x;
};
void F1(A a) noexcept
{}
void F2(B b) noexcept
{}
void F3() noexcept
{
    F1(A(10));
// f1(10); // Compilation error - because of explicit constructor it is not
// possible to implicitly convert integer
// to type of class A
    F2(B(20));
    F2(20); // No compilation error - implicit conversion occurs
}