Roland Conybeare
6a82040d48
subrepo: subdir: "xo-alloc2" merged: "4039c29f" upstream: origin: "git@github.com:Rconybea/xo-alloc2.git" branch: "main" commit: "4039c29f" git-subrepo: version: "0.4.9" origin: "???" commit: "???"
40 lines
991 B
C++
40 lines
991 B
C++
/** @file role.hpp
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*
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* @author Roland Conybeare, Dec 2025
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**/
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#pragma once
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#include <array>
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#include <cstdint>
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namespace xo {
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namespace mm {
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static constexpr uint32_t c_n_role = 2;
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/** @brief identify GC half-spaces
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**/
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class Role {
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public:
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using value_type = std::uint32_t;
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explicit constexpr Role(value_type x) : role_{x} {}
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static constexpr Role to_space() { return Role{0}; }
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static constexpr Role from_space() { return Role{1}; }
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static constexpr std::array<Role, c_n_role> all() { return {{to_space(), from_space()}}; }
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static constexpr Role begin() { return Role{0}; }
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static constexpr Role end() { return Role{2}; }
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operator value_type() const { return role_; }
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Role next() const { return Role(role_ + 1); }
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value_type role_ = 0;
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};
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} /*namespace mm*/
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} /*namespace xo*/
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/* end role.hpp */
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