Debugging in Go is the process of identifying and fixing errors or bugs in Go code. It is a critical skill for any Go developer since it helps to ensure that your code functions efficiently and reliably. Effective debugging requires a deep understanding of the Go programming language, as well as best practices and tools for spotting and isolating errors.

In a course on debugging in Go, you can expect to learn about various debugging techniques such as logging, breakpoint debugging, and interactive debugging. You will also learn how to use debugging tools like GoLand, Delve, and GDB, to identify and fix errors in your code.

Additionally, you will learn how to handle common debugging scenarios, such as debugging multi-threaded code, memory leaks, and performance issues. You will also learn best practices for making your code debuggable, such as using fallible operations, writing clear error messages, and testing your code thoroughly.

Overall, a course on debugging in Go will equip you with essential skills and tools to identify and fix errors in your code, ensuring that it works efficiently and to the expectations of the end-users.