小编Nec*_*sil的帖子

我正在尝试在 macOS 上安装 Cairo/Xlib，但无法正常工作

cmake -G "Xcode" --config 调试 "-DCMAKE_BUILD_TYPE=Debug" ../.

    CMake Error:
  Xcode 1.5 not supported.


CMake Error: Could not create named generator Xcode

Generators
* Unix Makefiles               = Generates standard UNIX makefiles.
  Ninja                        = Generates build.ninja files.
  Ninja Multi-Config           = Generates build-<Config>.ninja files.
  Xcode                        = Generate Xcode project files.
  CodeBlocks - Ninja           = Generates CodeBlocks project files.
  CodeBlocks - Unix Makefiles  = Generates CodeBlocks project files.
  CodeLite - Ninja             = Generates CodeLite project files.
  CodeLite - Unix Makefiles …

vector<int> ParseLine (string line){
  istringstream sline(line);

  char c;
  int n;
  vector<int> row;
  while(sline >> n >> c && c == ",")
        row.push_back(n);

  return row;
}

这是从文件中读取二维向量的函数之一。我想知道 while 循环背后的逻辑。