Definition of Prvalue. Meaning of Prvalue. Synonyms of Prvalue

Here you will find one or more explanations in English for the word Prvalue. Also in the bottom left of the page several parts of wikipedia pages related to the word Prvalue and, of course, Prvalue synonyms and on the right images related to the word Prvalue.

Definition of Prvalue

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Meaning of Prvalue from wikipedia

- categories glvalue (generalized lvalue) which are lvalues and xvalues and prvalues (pure rvalues) which are rvalues that are not xvalues. This type of reference...
- type T from prvalue expressions of type T (ignoring top-level cv-qualifiers) shall result in no copy or move constructors from the prvalue expression....
- important optimization. C++17 Provides for "guaranteed copy elision", a prvalue is not materialized until needed, and then it is constructed directly into...
- typedef int arr_t[3]; int (&&arr_prvl)[3] = arr_t{}; // arr_t{} is an array prvalue int *const & ptr_clv = arr; // same as int *const & ptr_clv = &arr[0];...
- the type of e; if e is an xvalue, the result is T&&; otherwise, e is a prvalue and the result is T. As a special case, decltype(auto) allows for type...