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3rdparty/boost_1_81_0/libs/hana/example/repeat.cpp 550 Bytes
73ef4ff3   Hu Chunming   提交三方库
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  // Copyright Louis Dionne 2013-2022
  // Distributed under the Boost Software License, Version 1.0.
  // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  
  #include <boost/hana/assert.hpp>
  #include <boost/hana/integral_constant.hpp>
  #include <boost/hana/repeat.hpp>
  
  #include <string>
  namespace hana = boost::hana;
  
  
  int main() {
      std::string s;
      for (char letter = 'a'; letter <= 'g'; ++letter)
          hana::repeat(hana::int_c<3>, [&] { s += letter; });
  
      BOOST_HANA_RUNTIME_CHECK(s == "aaabbbcccdddeeefffggg");
  }