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>
  
  // template <class BinaryPredicate> void unique(BinaryPredicate binary_pred);
  
  #include <forward_list>
  #include <iterator>
  #include <cassert>
  
  #include "min_allocator.h"
  
  bool g(int x, int y)
  {
      return x == y;
  }
  
  int main(int, char**)
  {
      {
          typedef int T;
          typedef std::forward_list<T> C;
          const T t1[] = {0, 5, 5, 0, 0, 0, 5};
          const T t2[] = {0, 5, 0, 5};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T> C;
          const T t1[] = {0, 0, 0, 0};
          const T t2[] = {0};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T> C;
          const T t1[] = {5, 5, 5};
          const T t2[] = {5};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T> C;
          C c1;
          C c2;
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T> C;
          const T t1[] = {5, 5, 5, 0};
          const T t2[] = {5, 0};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
  #if TEST_STD_VER >= 11
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          const T t1[] = {0, 5, 5, 0, 0, 0, 5};
          const T t2[] = {0, 5, 0, 5};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          const T t1[] = {0, 0, 0, 0};
          const T t2[] = {0};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          const T t1[] = {5, 5, 5};
          const T t2[] = {5};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          C c1;
          C c2;
          c1.unique(g);
          assert(c1 == c2);
      }
      {
          typedef int T;
          typedef std::forward_list<T, min_allocator<T>> C;
          const T t1[] = {5, 5, 5, 0};
          const T t2[] = {5, 0};
          C c1(std::begin(t1), std::end(t1));
          C c2(std::begin(t2), std::end(t2));
          c1.unique(g);
          assert(c1 == c2);
      }
  #endif
  
    return 0;
  }
  