For further reading:

"Go uses a tricolor mark-and-sweep garbage collector algorithm. This is a concurrent, parallel, and generational algorithm."

https://clouddevs.com/go/garbage-collection-and-memory-management/#:~:text=Go%20uses%20a%20tricolor%20mark,each%20object%20in%20the%20memory.

https://www.oreilly.com/library/view/mastering-go/9781838559335/1063167c-9a6d-4da0-8d3e-358109a99836.xhtml