mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-17 05:03:20 +00:00
27 lines
662 B
C++
27 lines
662 B
C++
#pragma once
|
|
|
|
#include <utility>
|
|
|
|
namespace ext
|
|
{
|
|
|
|
template <class F> class scope_guard {
|
|
const F function;
|
|
|
|
public:
|
|
constexpr scope_guard(const F & function_) : function{function_} {}
|
|
constexpr scope_guard(F && function_) : function{std::move(function_)} {}
|
|
~scope_guard() { function(); }
|
|
};
|
|
|
|
template <class F>
|
|
inline scope_guard<F> make_scope_guard(F && function_) { return std::forward<F>(function_); }
|
|
|
|
}
|
|
|
|
#define SCOPE_EXIT_CONCAT(n, ...) \
|
|
const auto scope_exit##n = ext::make_scope_guard([&] { __VA_ARGS__; })
|
|
#define SCOPE_EXIT_FWD(n, ...) SCOPE_EXIT_CONCAT(n, __VA_ARGS__)
|
|
#define SCOPE_EXIT(...) SCOPE_EXIT_FWD(__LINE__, __VA_ARGS__)
|
|
|