cpp-case-matcher/include/match/matchers/any_of.hpp

#pragma once

#include <array>

namespace matcher {
  template <typename T, size_t I>
  struct any_of_t {
    std::array<T, I> options;
  };
  
  template <typename T, size_t I>
  bool operator==(T const & t, any_of_t<T, I> const & of) {
    return std::find(of.options.begin(), of.options.end(), t) != of.options.end();
  }
  
  template <typename... Args>
  any_of_t<typename std::common_type<Args...>::type, sizeof...(Args)> any_of(Args &&... args) {
    return {{args...}};
  }
}