Folding Expressions -- Marco Alesiani

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A new blog post containing runnable code from the Italian C++ Community:

Folding Expressions

by Marco Alesiani

From the article:

C++17, scheduled by 2017 at the time of writing, will introduce fold expressions into play and significantly broaden parameter packs scopes of use [...]

template<typename F, typename... T>
void for_each(F fun, T&&... args)
    (fun (std::forward<T>(args)), ...);

The sample above uses fold expressions together with the comma operator to create a simple function that calls the provided lambda per each one of the supplied arguments with perfect forwarding. [...]

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