toolbox::functional::detail::MemoizeState< Func, R, Args > Struct Template Reference

记忆化的内部状态 / Internal state for memoization More...

#include <functional.hpp>

Public Types
using	KeyType = std::tuple< std::decay_t< Args >... >
using	ResultType = R

Public Member Functions
	MemoizeState (Func &&f)

Public Attributes
Func	original_func
std::map< KeyType, ResultType >	cache
std::mutex	cache_mutex

Detailed Description

template<typename Func, typename R, typename... Args>
struct toolbox::functional::detail::MemoizeState< Func, R, Args >

记忆化的内部状态 / Internal state for memoization

MemoizeState<int(int), int, int> state{[](int x) { return x*x; }};
auto result = state.original_func(5); // 返回25 / Returns 25

Member Typedef Documentation

KeyType

template<typename Func , typename R , typename... Args>

using toolbox::functional::detail::MemoizeState< Func, R, Args >::KeyType = std::tuple<std::decay_t<Args>...>

ResultType

template<typename Func , typename R , typename... Args>

using toolbox::functional::detail::MemoizeState< Func, R, Args >::ResultType = R

Constructor & Destructor Documentation

MemoizeState()

template<typename Func , typename R , typename... Args>

toolbox::functional::detail::MemoizeState< Func, R, Args >::MemoizeState ( Func &&  f )

inline

Member Data Documentation

cache

template<typename Func , typename R , typename... Args>

std::map<KeyType, ResultType> toolbox::functional::detail::MemoizeState< Func, R, Args >::cache

cache_mutex

template<typename Func , typename R , typename... Args>

std::mutex toolbox::functional::detail::MemoizeState< Func, R, Args >::cache_mutex

original_func

template<typename Func , typename R , typename... Args>

Func toolbox::functional::detail::MemoizeState< Func, R, Args >::original_func

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The documentation for this struct was generated from the following file:

• src/include/cpp-toolbox/functional/functional.hpp