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wip dont use

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Concedo 2023-04-21 00:35:54 +08:00
parent 7ba36c2c6c
commit 07bb31b034
42 changed files with 8 additions and 7 deletions
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84
CL/Utils/Detail.hpp
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@ -1,84 +0,0 @@
#pragma once
// STL includes
#include <stddef.h>
#include <utility> // std::forward, std::integer_sequence
#include <tuple> // std::tuple, std::get
#include <initializer_list> // std::initializer_list
namespace cl {
namespace util {
namespace detail {
// Borrowed from:
// https://www.fluentcpp.com/2019/03/05/for_each_arg-applying-a-function-to-each-argument-of-a-function-in-cpp/
template <class F, class... Args> F for_each_arg(F f, Args&&... args)
{
(void)std::initializer_list<int>{ (
(void)f(std::forward<Args>(args)), 0)... };
return f;
}
namespace impl {
// Borrowed from: https://stackoverflow.com/a/16387374/1476661
template <typename T, typename F, int... Is>
void for_each_in_tuple(T&& t, F&& f,
std::integer_sequence<int, Is...>)
{
auto l = {
(std::forward<F>(f)(std::get<Is>(std::forward<T>(t))), 0)...
};
(void)l;
}
}
template <typename... Ts, typename F>
void for_each_in_tuple(std::tuple<Ts...> const& t, F&& f)
{
impl::for_each_in_tuple(
t, std::forward<F>(f),
std::make_integer_sequence<int, sizeof...(Ts)>());
}
namespace impl {
// Borrowed from
// https://codereview.stackexchange.com/questions/193420/apply-a-function-to-each-element-of-a-tuple-map-a-tuple
template <class F, typename Tuple, std::size_t... Is>
auto transform_tuple(Tuple&& t, F&& f, std::index_sequence<Is...>)
{
return std::make_tuple(std::forward<F>(f)(std::get<Is>(t))...);
}
}
template <class F, typename... Args>
auto transform_tuple(const std::tuple<Args...>& t, F&& f)
{
return impl::transform_tuple(
t, std::forward<F>(f),
std::make_index_sequence<sizeof...(Args)>{});
}
namespace impl {
// Borrowed from
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3658.html
// with modifications of Casey Carter at
// https://stackoverflow.com/a/51365112/1476661
template <typename F, typename Tuple, std::size_t... I>
auto apply(F&& f, Tuple&& args, std::index_sequence<I...>)
-> decltype(std::forward<F>(f)(
std::get<I>(std::forward<Tuple>(args))...))
{
return std::forward<F>(f)(
std::get<I>(std::forward<Tuple>(args))...);
}
}
template <typename F, typename Tuple,
typename Indices = std::make_index_sequence<
std::tuple_size<std::remove_reference_t<Tuple>>::value>>
auto apply(F&& f, Tuple&& args)
-> decltype(impl::apply(std::forward<F>(f),
std::forward<Tuple>(args), Indices()))
{
return impl::apply(std::forward<F>(f), std::forward<Tuple>(args),
Indices());
}
}
}
}