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author | Daniil Cherednik <[email protected]> | 2023-03-31 10:54:08 +0300 |
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committer | Daniil Cherednik <[email protected]> | 2023-03-31 12:28:07 +0300 |
commit | fc1cffcfa7f0497a1f97b384a24bcbf23362f3be (patch) | |
tree | c15f7ab5b9e9b20fd0ef8fc07d598d28e8b32004 /library/cpp/unified_agent_client/f_maybe.h | |
parent | 8a749596d40e91c896a1907afcd108d9221fbde1 (diff) |
Ydb stable 23-1-1923.1.19
x-stable-origin-commit: c5d5a396e89d0a72e0267a55e93d8404d4fb54fe
Diffstat (limited to 'library/cpp/unified_agent_client/f_maybe.h')
-rw-r--r-- | library/cpp/unified_agent_client/f_maybe.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/library/cpp/unified_agent_client/f_maybe.h b/library/cpp/unified_agent_client/f_maybe.h new file mode 100644 index 00000000000..7abd4c0aacb --- /dev/null +++ b/library/cpp/unified_agent_client/f_maybe.h @@ -0,0 +1,23 @@ +#pragma once + +#include <util/generic/maybe.h> + +namespace NUnifiedAgent { + template <typename T> + using TFMaybe = TMaybe<T, ::NMaybe::TPolicyUndefinedFail>; + + template <class T> + inline constexpr TFMaybe<std::decay_t<T>> MakeFMaybe(T&& value) { + return TMaybe<std::decay_t<T>, ::NMaybe::TPolicyUndefinedFail>(std::forward<T>(value)); + } + + template <class T, class... TArgs> + inline constexpr TFMaybe<T> MakeFMaybe(TArgs&&... args) { + return TFMaybe<T>(typename TFMaybe<T>::TInPlace{}, std::forward<TArgs>(args)...); + } + + template <class T> + inline constexpr TFMaybe<std::decay_t<T>> MakeFMaybe(const TMaybe<T>& source) { + return source.Defined() ? MakeFMaybe(*source) : Nothing(); + } +} |