Which of the following regarding R-values in C++17 is/are true? Select all that apply. Pick ONE OR MORE options Integer literals and string literals are both natively R-values An R-value can be passed to a function that accepts a constant L-value reference, but not to a function that accepts a non-constant L-value reference Any time two ampersands (&&) appear in syntactically valid C++17 code, they indicate the presence of an R-value reference For a given type ~T~, constructing an instance of ~T~from an R-value reference is always strictly more efficient than constructing an instance of ~T~ from an L-value reference It is possible to restrict a class's custom call operator such that it may only be used on instances of the type that are R-

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