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34 lines
692 B
C++
34 lines
692 B
C++
#pragma once
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#include <common/types.h>
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namespace detail
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{
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template <typename T, bool is_nothrow_move_assignable = std::is_nothrow_move_assignable_v<T>>
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struct MoveOrCopyIfThrow;
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template <typename T>
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struct MoveOrCopyIfThrow<T, true>
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{
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void operator()(T && src, T & dst) const
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{
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dst = std::forward<T>(src);
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}
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};
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template <typename T>
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struct MoveOrCopyIfThrow<T, false>
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{
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void operator()(T && src, T & dst) const
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{
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dst = src;
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}
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};
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template <typename T>
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void moveOrCopyIfThrow(T && src, T & dst)
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{
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MoveOrCopyIfThrow<T>()(std::forward<T>(src), dst);
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}
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}
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