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Effective Modern CMake

Getting Started

For a brief user-level introduction to CMake, watch C++ Weekly, Episode 78, Intro to CMake by Jason Turner. LLVM’s CMake Primer provides a good high-level introduction to the CMake syntax. Go read it now.

After that, watch Mathieu Ropert’s CppCon 2017 talk Using Modern CMake Patterns to Enforce a Good Modular Design (slides). It provides a thorough explanation of what modern CMake is and why it is so much better than “old school” CMake. The modular design ideas in this talk are based on the book [Large-Scale C++ Software Design](https://www.amazon.de/Large-Scale-Soft

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//顺序访问JSON成员

int index = 0;
for(auto &it:v.GetObject())
{
    if((index >= 7) && (index < sys.nc+7))
    {
        strm[streamNameIndex].ss[0].x[index - 7] = it.value.GetDouble();
    }
    index++;