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forced a compile error when Hash::is_avalanching is not a type

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joaquintides
2024-05-30 09:11:06 +02:00
parent 7e9032c703
commit 401b06663f
1 changed files with 6 additions and 0 deletions
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6
include/boost/unordered/hash_traits.hpp
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@ -42,6 +42,12 @@ struct hash_is_avalanching_impl<
avalanching_value<typename Hash::is_avalanching>::value
>{};
template<typename Hash>
struct hash_is_avalanching_impl<
Hash,
typename std::enable_if<((void)Hash::is_avalanching,true)>::type
>{}; /* Hash::is_avalanching is not a type: compile error downstream */
} /* namespace detail */
/* Each trait can be partially specialized by users for concrete hash functions