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Conditionally nodiscard

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Sy Brand
2025-07-12 10:42:15 +01:00
parent 5bcd35b907
commit c8a04300da
1 changed files with 8 additions and 2 deletions
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10
include/tl/expected.hpp
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@@ -132,8 +132,14 @@ struct is_trivially_copy_constructible<std::vector<T, A>> : std::false_type {};
#define TL_EXPECTED_11_CONSTEXPR constexpr #define TL_EXPECTED_11_CONSTEXPR constexpr
#endif #endif
#if TL_CPLUSPLUS >= 201703L
#define TL_EXPECTED_NODISCARD [[nodiscard]]
#else
#define TL_EXPECTED_NODISCARD
#endif
namespace tl { namespace tl {
template <class T, class E> class [[nodiscard]] expected; template <class T, class E> class TL_EXPECTED_NODISCARD expected;
#ifndef TL_MONOSTATE_INPLACE_MUTEX #ifndef TL_MONOSTATE_INPLACE_MUTEX
#define TL_MONOSTATE_INPLACE_MUTEX #define TL_MONOSTATE_INPLACE_MUTEX
@@ -1276,7 +1282,7 @@ private:
/// has been destroyed. The initialization state of the contained object is /// has been destroyed. The initialization state of the contained object is
/// tracked by the expected object. /// tracked by the expected object.
template <class T, class E> template <class T, class E>
class [[nodiscard]] expected : class TL_EXPECTED_NODISCARD expected :
private detail::expected_move_assign_base<T, E>, private detail::expected_move_assign_base<T, E>,
private detail::expected_delete_ctor_base<T, E>, private detail::expected_delete_ctor_base<T, E>,
private detail::expected_delete_assign_base<T, E>, private detail::expected_delete_assign_base<T, E>,