tag-dispatching

tag-dispatching Questions

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Using enum instead of struct for tag dispatching in C++

Let's take implementation of the std::unique_lock from the Standard Library: struct defer_lock_t { explicit defer_lock_t() = default; }; struct try_to_lock_t { explicit try_to_lock_t() = default; ...

c++c++17 language-design unique-lock tag-dispatching

Archivist asked 16/8, 2018 at 16:8

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Difference between SFINAE and tag dispatch

In this video https://youtu.be/Vkck4EU2lOU?t=582 "tag dispatch" and SFINAE are being presented as the alternatives, allowing to achieve selection of the desired template function. Is it correct? I...

c++templates sfinae tag-dispatching

Anticipant asked 30/10, 2019 at 16:48

Why does std::unique_lock use type tags to differentiate constructors?

In C++11, the std::unique_lock constructor is overloaded to accept the type tags defer_lock_t, try_to_lock_t, and adopt_lock_t: unique_lock( mutex_type& m, std::defer_lock_t t ); unique_lock( ...

c++c++11 language-design unique-lock tag-dispatching

Aerobiology asked 12/8, 2015 at 6:22

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