Reading CSV files is a common need for exchanging data between systems. Although more modern serialization formats are available, such as JSON, some legacy vendor systems still use CSV to this day. Using the open source CSV crate, we can easily read various CSV formats. If you need to customize the behavior of the CSV parser, such as changing the field delimiter, adding CSV headers, or commenting out individual data records, you can use the csv::ReaderBuilder struct to accomplish that. In addition, you can optionally integrate CSV with the serde package to deserialize CSV data rows as Rust struct instances. We'll explore all of these topics in this Rust training video!
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