xo-expression2/xo-alloc2/include/xo/alloc2/gc/object_age.hpp

32 lines
696 B
C++

/** @file object_age.hpp
*
* @author Roland Conybeare, Dec 2025
**/
#pragma once
#include <cstdint>
namespace xo {
namespace mm {
/** hard maximum remembered object age **/
static constexpr uint32_t c_max_object_age = 127;
/** @class object_age
* @brief type-safe object age
*
* Object age measured in number of garbage collections survived.
**/
struct object_age {
using value_type = std::uint32_t;
explicit object_age(value_type x) : value_{x} {}
operator value_type() const { return value_; }
std::uint32_t value_;
};
}
}
/* end object_age.hpp */