text: //===----------------------------------------------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  // <forward_list>
  
  // void pop_front();
  
  #include <forward_list>
  #include <cassert>
  
  #include "MoveOnly.h"
  #include "min_allocator.h"
  
  int main(int, char**)
  {
      {
          typedef int T;
          typedef std::forward_list<T> C;
          typedef std::forward_list<T> C;
          C c;
          c.push_front(1);
          c.push_front(3);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 1);
          assert(c.front() == 1);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 0);
      }
  #if TEST_STD_VER >= 11
      {
          typedef MoveOnly T;
          typedef std::forward_list<T> C;
          C c;
          c.push_front(1);
          c.push_front(3);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 1);
          assert(c.front() == 1);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 0);
      }
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          typedef std::forward_list<T, min_allocator<T>> C;
          C c;
          c.push_front(1);
          c.push_front(3);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 1);
          assert(c.front() == 1);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 0);
      }
      {
          typedef MoveOnly T;
          typedef std::forward_list<T, min_allocator<T>> C;
          C c;
          c.push_front(1);
          c.push_front(3);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 1);
          assert(c.front() == 1);
          c.pop_front();
          assert(distance(c.begin(), c.end()) == 0);
      }
  #endif
  
    return 0;
  }
  