Movatterモバイル変換


[0]ホーム

URL:


cppreference.com
Namespaces
Variants
    Actions

      std::initializer_list<T>::begin

      From cppreference.com
      <cpp‎ |utility‎ |initializer list
       
       
      Utilities library
       
       
      const T* begin()constnoexcept;
      (since C++11)
      (constexpr since C++14)

      Obtains a pointer to the first element in the initializer list.

      If the initializer list is empty, the values ofbegin() andend() are unspecified, but will be identical.

      Contents

      [edit]Parameters

      (none)

      [edit]Return value

      A pointer to the first element in the initializer list

      [edit]Complexity

      Constant

      [edit]Example

      Run this code
      #include <initializer_list> int main(){staticconstexprauto il={42,24};    static_assert(*il.begin()==0x2A);    static_assert(il.begin()[1]==030);}

      [edit]See also

      returns a pointer to one past the last element
      (public member function)[edit]
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/utility/initializer_list/begin&oldid=177190"

      [8]ページ先頭

      ©2009-2025 Movatter.jp