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标准库标头 <initializer_list> - cppreference.com

来自cppreference.com

此头文件是语言支持库的一部分。

概要

// 全为独立
namespace std {
  template<class E> class initializer_list
  {
  public:
    using value_type = E;
    using reference = const E&;
    using const_reference = const E&;
    using size_type = size_t;

    using iterator = const E*;
    using const_iterator = const E*;

    constexpr initializer_list() noexcept;

    constexpr const E* data() const noexcept;
    constexpr size_t size() const noexcept;
    constexpr bool empty() const noexcept;
    constexpr const E* begin() const noexcept;
    constexpr const E* end() const noexcept;
  };
}