Chapter 10. Data IO in Go

Previous chapters of this book focused mainly on fundamentals. In this and future chapters, readers are introduced to some of the powerful APIs provided by Go's standard library. This chapter discusses in detail how to input, process, transform, and output data using APIs from the standard library and their respective packages with the following topics:

• IO with readers and writers

• The io.Reader interface

• The io.Writer interface

• Working with the io package

• Working with files

• Formatted IO with fmt

• Buffered IO

• In-memory IO

• Encoding and decoding data