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Diffstat (limited to 'third_party/immer/immer/heap/with_data.hpp')
| -rw-r--r-- | third_party/immer/immer/heap/with_data.hpp | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/third_party/immer/immer/heap/with_data.hpp b/third_party/immer/immer/heap/with_data.hpp deleted file mode 100644 index 1e8c2abb08..0000000000 --- a/third_party/immer/immer/heap/with_data.hpp +++ /dev/null @@ -1,43 +0,0 @@ -// -// immer: immutable data structures for C++ -// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente -// -// This software is distributed under the Boost Software License, Version 1.0. -// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt -// - -#pragma once - -#include <cstdio> - -namespace immer { - -/*! - * Appends a default constructed extra object of type `T` at the - * *before* the requested region. - * - * @tparam T Type of the appended data. - * @tparam Base Type of the parent heap. - */ -template <typename T, typename Base> -struct with_data : Base -{ - using base_t = Base; - - template <typename... Tags> - static void* allocate(std::size_t size, Tags... tags) - { - auto p = base_t::allocate(size + sizeof(T), tags...); - return new (p) T{} + 1; - } - - template <typename... Tags> - static void deallocate(std::size_t size, void* p, Tags... tags) - { - auto dp = static_cast<T*>(p) - 1; - dp->~T(); - base_t::deallocate(size + sizeof(T), dp, tags...); - } -}; - -} // namespace immer |