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C++17 in Detail: A Deep Dive

Converting Lines into Records

Explore how to efficiently convert a file's lines into records by using C++17 features like string_view. Understand the process of reading entire file content into a string and splitting it into views to avoid data copying, preparing the data for further processing.

We'll cover the following...

LoadRecords is a function that takes a filename as an argument, reads the contents into std::string and then performs the conversion:

C++
[[nodiscard]] std::vector<OrderRecord> LoadRecords(const fs::path& filename)
{
    const auto content = GetFileContents(filename);
    
    const auto lines = SplitLines(content);
    return LinesToRecords(lines);
}

We assume ...