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Multiple ChoiceIntermediate 45s

template template variadic match

Given template<template<class...> class C> struct Wrap;, can Wrap<std::vector> be instantiated?
Options
  1. 1No, a template template parameter cannot accept variadic templates
  2. 2No, because vector has an allocator parameter only
  3. 3Only in C++23
  4. 4Yes, because a variadic template matches template<class...> class

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