HelenOS sources

is_convertible    856 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp     struct is_convertible: false_type
is_convertible    860 uspace/lib/cpp/include/__bits/type_traits/type_traits.hpp     struct is_convertible<From, To, void_t<decltype((To)declval<From>())>>
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